HP 650 Black Original Ink Cartridge CZ101AE Compatible Printers : HP Deskjet Ink Advantage 2515 All-in-One Printer(CZ280C) HP Deskjet Ink Advantage 1015 Printer(B2G79C) HP Deskjet Ink Advantage 1515 All-in-One Printer(B2L57C) HP Deskjet Ink Advantage 2545 All-in-One Printer(A9U23C) HP Deskjet Ink Advantage 2645 All-in-One Printer(D4H22C) HP Deskjet Ink Advantage 3515 e-All-in-One Printer(CZ279C) HP Deskjet Ink Advantage 3545 e-All-in-One Printer(A9T81C) HP Deskjet Ink Advantage 4515 e-All-in-One Printer(A9J41C) HP Deskjet Ink Advantage 4645 e-All-in-One Printer(B4L10C) manufacturer link
The Canon 3in1 MF3010 Laser Printer | MF3010 delivers reliable printing, scanning, and copying in one compact device. It is designed for home offices, students, and small workspaces who want basic multifunction performance. First, this printer uses monochrome laser technology for crisp black-and-white prints. As a result, text documents and reports look clear and professional. In addition, the Canon 3in1 MF3010 Laser Printer | MF3010 prints up to 18 pages per minute. Therefore, everyday printing feels fast and efficient. This model supports USB 2.0 connection for simple wired setup. So, you can connect easily to your PC or laptop. Moreover, the integrated scanner captures documents up to 600 × 600 dpi optical resolution. Thus, scanned files stay sharp and easy to read. The copier function lets you make quick copies without a computer. This saves time on everyday tasks. Because the unit uses an all-in-one toner cartridge, replacements are simple and low-maintenance. Also, the toner package includes the drum and toner in one unit. The Canon 3in1 MF3010 Laser Printer | MF3010 fits on desks with its compact design. It stays neat without taking up much space. Furthermore, the printer warms up quickly from sleep and delivers the first page in about eight seconds. This helps reduce wait time. Installation is straightforward with included software and common system support. Thus, setup stays simple for most users. Compared to basic single-function printers, this model adds scanning and copying in one device. So, you get more value in one unit. In conclusion, this printer offers clear mono printing, simple scanning, and easy copying. Overall, it is a practical choice for basic office and home use.
HP Color LaserJet Pro MFP 3303fdw Printer (499M8A) is a color laser multifunction printer designed for small and medium office workgroups. It supports printing, copying, scanning, and faxing in one device. HP Color LaserJet Pro MFP 3303fdw delivers fast and reliable business document handling. In addition, it prints up to 25 pages per minute for both black and color documents. It also provides a first page out time as fast as about 10.9 seconds for A4 prints. Moreover, it supports up to 600 × 600 dpi print resolution for clear text and graphics. Furthermore, it includes a 50-sheet automatic document feeder for multi-page scanning and copying. It also supports automatic duplex printing for two-sided output. In addition, it uses USB, Ethernet, and dual-band Wi-Fi for flexible office connectivity. Finally, it is designed for a monthly duty cycle up to 40,000 pages, making it suitable for demanding office environments. HP Color LaserJet Pro MFP 3303fdw delivers reliable color performance and strong workflow efficiency for professional use. Specifications: Print, copy, scan, and fax multifunction device Up to 25 ppm black and color print speed Automatic duplex (two-sided) printing support 50-sheet automatic document feeder (ADF) Wi-Fi, Ethernet, and USB connectivity support
The Appostar AP-9210 Direct Line Thermal Label Printer is ideal for retail, shipping, and hospital labeling. Also, it prints at 203 dpi with speeds up to 150 mm per second. Moreover, it uses direct thermal technology so you don’t need ink or toner. Furthermore, the Appostar AP-9210 Direct Line Thermal Label Printer features USB and Ethernet connectivity. Thus, it works well with different computers and networks. Also, setup is simple with plug-and-play drivers for Windows and Linux. In addition, the printer supports various label sizes from 25 to 104 mm wide. Hence, it fits barcodes, shipping labels, and wristbands easily. Also, it offers adjustable label guides for precise paper alignment. Meanwhile, the Appostar AP-9210 Direct Line Thermal Label Printer includes a built-in font and graphic support. Plus, its 512 MB memory stores frequent prints or logos. Also, live label thickness adjustment delivers clear printing quality. Additionally, this printer features a durable metal casing. Thus, it can handle busy office or industrial environments. Also, a drop-in media loading system makes media replacement fast. Moreover, it supports standard label printers like ZPL and EPL. Therefore, it integrates with many existing systems. Also, firmware updates keep performance optimized over time. In use, the Appostar AP-9210 Direct Line Thermal Label Printer prints quietly and consistently. Also, it delivers precise barcode readability for scanners. Plus, the platen design prevents label jams and reduces waste. Furthermore, optional peeler and cutter modules simplify label application. Thus, you can peel labels automatically after printing. Also, it has sensor lighting to alert low-media or errors. In summary, the Appostar AP-9210 Direct Line Thermal Label Printer offers fast, hassle-free label printing. It suits businesses needing durable and versatile labeling solutions. Finally, it is easy to install, cost-effective, and built to perform. Specifications: Direct Line Thermal Label Printer Effective Print Width: 100mm (Max 800 points) Printing Speed: 160mm/sec (MAX) Resolution: 203DPI (8dot/mm) Interface: USB
The HP 728 40-ml DesignJet Original Ink Cartridge is designed for precise and reliable large-format printing. It delivers sharp lines and consistent color output for technical drawings, maps, and design work. HP builds this cartridge for compatible DesignJet printers to ensure smooth ink flow and stable performance. It supports accurate print quality across everyday professional tasks. The HP 728 40-ml DesignJet Original Ink Cartridge produces clean detail for CAD files, graphics, and presentations. It helps maintain consistent results during standard print jobs. The cartridge installs easily and works seamlessly with supported HP systems. It is made for users who need dependable output, clear detail, and reliable everyday DesignJet printing. Specifications: 40ml original HP ink cartridge Sharp detail for technical drawings Consistent color output quality Smooth ink flow for reliability Easy installation and replacement F9J61A , F9J63A
The Canon PIXMA TR4645 All-in-1 Inkjet Printer delivers reliable printing, scanning, copying, and faxing in one compact unit. It is ideal for home offices, students, and small workspaces who need versatile document handling. First, this printer offers Wi-Fi and USB connectivity for easy wireless and wired setup. As a result, you can print from laptops, smartphones, and tablets with little effort. In addition, the Canon PIXMA TR4645 All-in-1 Inkjet Printer prints sharp text and vibrant colors at up to 4800 × 1200 dpi. Therefore, documents and photos look crisp and detailed. This model supports automatic two-sided printing, helping you save paper and time. Thus, duplex jobs finish without manual flipping. Moreover, a 20-sheet Automatic Document Feeder (ADF) makes scanning and copying multi-page documents faster. So, everyday tasks feel smooth and efficient. Because it has built-in fax capability, you can send and receive faxes directly from the unit. This adds extra versatility for home or small office use. The Canon PIXMA TR4645 All-in-1 Inkjet Printer also supports mobile printing through Canon PRINT, AirPrint, and Mopria. Therefore, you can print without a computer from most devices. In addition, borderless photo printing lets you produce vibrant 4×6″ photos in about 65 seconds. Thus, your prints look great for family albums and creative projects. The front paper tray holds up to 100 sheets for daily use. Also, a mono LCD screen helps you control settings easily. Compared to basic single-function printers, this all-in-one model combines four functions in one space-saving design. So, it delivers more value for home and work tasks. In conclusion, the Canon PIXMA TR4645 All-in-1 Inkjet Printer offers versatile performance, wireless convenience, and high-quality output. If you want a reliable multifunction printer for home or small office use, this model is worth choosing. Specifications: Resolution: Up to 4800 x 4800 dpi for detailed scans. Print Technology : Uses Contact Image Sensor (CIS) and 3-color (RGB) LED light source. Speed: Scans an A4 document in about 8 seconds. Z-Lid: Double-hinged lid lifts up to 21mm to scan bulky items like books.
Canon i-SENSYS MF742Cdw Canon i-SENSYS MF742Cdw is a multi-function colour laser printer to help small and medium business owners take productivity to new levels Specifications: Specifications : 3-in-1 office colour laser printer A4 print, copy, scan 27 ppm print speed, 12.7cm LCD colour touchscreen, mobile connectivity 3 years warranty Manufacturer Link
Epson ELPLP88 The Epson ELPLP88 genuine Epson ultra high efficiency (UHE) projector lamp. is designed to replace the original genuine Epson projector lamp. included with: PowerLite S27, X27, W29, 97H, 98H, 99WH, 955WH, 965H projectors. The Replacement Projector Lamp / Bulb is compatible with select Epson PowerLite projectors. This 200W lamp is user-replaceable and features a Ultra High Efficiency (UHE) design. The ELPLP88 offers up to 10,000 hours of life in ECO mode, and up to 5,000 hours in normal mode. This compatible with the Epson PowerLite S27, X27, W29, 97H, 98H, 99WH, 955WH, and 965H projectors. The genuine Epson ELPLP88 ultra high efficiency (UHE) projector lamp is designed to replace the original genuine projector lamp included with: PowerLite S27, X27, W29, 97H, 98H, 99WH, 955WH, 965H projectors. This projector lamp is user-replaceable; refer to your projector’s manual for installation instructions for this replacement lamp. Model: V13H010L88 Product Specifications 200W Output Ultra High Efficiency (UHE) Design Up to 10,000 Hours of Life in ECO Mode Compatible with Select Epson Projectors Brand New UHE Lamp for a Projector (170 watt) 1 Lamp Supplied 100% compatibility with the following EPSON projector models EMP-83 EMP-822 EMP-83C EMP-400 EMP-400W EMP-400WE EMP-410W PowerLite 83+ EX90 EMP-83H EMP-822H EMP-280 EMP-83HE EMP-X56 EB-410W EB-410WE PowerLite 822p PowerLite 83c PowerLite 400W H371A H281B H330C H330B H330A This projector lamp is user friendly and user installable by following the documentation provided with the original device Specifications: Specifications 200W Output Ultra High Efficiency (UHE) Design Up to 10,000 Hours of Life in ECO Mode Compatible with Select Epson Projectors 1 year warranty Manufacturer Link
HP Laser M137fnw 4-in-1 Printer 4ZB84A is a compact monochrome laser printer designed for home and small office use. It supports printing, scanning, copying, and faxing in one device. In addition, it delivers print speeds up to 20–21 pages per minute. Therefore, it handles daily tasks efficiently. Moreover, it produces sharp black text with a resolution up to 1200 × 1200 dpi. Furthermore, HP Laser M137fnw includes built-in Wi-Fi, Ethernet, and USB connectivity. As a result, users can print from multiple devices easily. It also supports mobile printing solutions such as Apple AirPrint and Mopria for convenient wireless operation. In addition, it features a 40-sheet automatic document feeder. Therefore, it simplifies multi-page scanning and copying tasks. Moreover, it includes a 150-sheet input tray and supports a monthly duty cycle up to 10,000 pages. Overall, HP Laser M137fnw 4-in-1 Printer 4ZB84A delivers reliable performance, strong connectivity, and essential multifunction features for everyday office needs. manufacturer link Specifications: 4-in-1 functions: print, scan, copy, and fax Up to 20–21 ppm print speed Up to 1200 × 1200 dpi print resolution Wi-Fi, Ethernet, and USB connectivity 40-sheet ADF and 150-sheet input tray
Print right from your iOS or Android device with the Canon Mobile Printing app Wireless connectivity to print from virtually anywhere Superior Imaging Technology helps to produce high quality color output Blazing fast print speeds of up to 14 pages per minute in both color and black and white Seamless wireless setup and easy to replace cartridges Print Speed Up to 14 pages per minute (bw/color, letter) Cartridge and Yield Cartridge 131 CMY (1,500 sheets), 131 Black (1,400 sheets), 131 Hi-Capacity Black (2,400 sheets) – Based on ISO/IEC standard 1 year warranty manufacturer link
The Brother TD‑4410D Thermal Desktop Label Printer prints precise labels quickly. It uses direct thermal technology so no ink or ribbon is required. Moreover, it delivers 203 DPI resolution for crisp barcodes and text. Also, it prints up to 8 ips, boosting productivity in busy environments. Furthermore, the Brother TD‑4410D supports USB 2.0 and RS‑232 serial connections. Thus, it integrates easily with PCs and legacy systems. Also, it is compatible with Windows and Linux operating systems. In addition, the printer handles media widths from 19 mm to 118 mm. It supports wristbands, continuous or die-cut labels, and fan-fold paper. Also, optional peeler and cutter modules offer convenience. The Brother TD‑4410D features drop-in media loading and automatic media detection. This makes roll changes fast and error-free. Its compact size (180 × 155 × 224 mm) fits any desk. And it weighs just 2.08 kg for easy placement. Meanwhile, the steel-and-plastic frame ensures durable use in office and warehouse settings. Energy Star certification helps reduce power consumption. In operation, the Brother TD‑4410D is quiet and reliable. Also, its high-speed precision supports barcode readability every time. Overall, the Brother TD‑4410D Thermal Desktop Label Printer offers fast, accurate, and flexible label printing. It suits logistics, retail, healthcare, and manufacturing workflows. Finally, it is easy to set up, upgradeable, and cost-effective. Specifications: Resolution : 203 dpi Barcode : Yes Connectivity : USB Max Roll Width : 19-118mm
The Xprinter XP‑P801A Mini Thermal Receipt Printer prints receipts on the go easily. Also, it uses direct thermal printing, so no ink or toner is needed. Moreover, it prints at a clear 203 DPI resolution for sharp text and graphics. It supports an 80 mm paper width and prints at up to 70 mm/s speed. Furthermore, the Xprinter XP‑P801A Mini Thermal Receipt Printer includes both USB and Bluetooth interfaces. Thus, it fits well with PCs, smartphones, and tablets. In addition, it works with Windows, Android, iOS, and Linux systems. The printer also supports ESC/POS commands for easy integration. Also, it handles various barcodes like UPC, CODE39, CODE128, and QR codes. Moreover, the compact design measures 135×105×61 mm and weighs 0.3 kg. Thus, it is lightweight and ideal for mobile use. It has a 1800–2000 mAh battery that supports long printing hours. Additionally, it features a missing-paper alarm for reliable operation. Also, line spacing can be adjusted via commands to match print style. When in use, the Xprinter XP‑P801A Mini Thermal Receipt Printer feels sturdy despite its small size. Moreover, setup is plug‑and‑play with driver support for multiple systems. Also, connectivity is smooth, and Bluetooth pairing stays stable. In summary, the Xprinter XP‑P801A Mini Thermal Receipt Printer delivers fast, portable, and reliable printing. It suits delivery services, retail, and mobile POS needs. Finally, it is compact, versatile, and ready for daily use. Specifications: Printing method : Direct thermal Resolution : 203 DPI Line spacing : 3.75mm (Adjustable by commands) Print width : 72 mm Print speed : 70 mm/s Paper width : 80 mm Interfaces : USB, Bluetooth
HP 83A Black Toner Cartridge | Works with HP LaserJet Pro M201, HP LaserJet Pro MFP M125, M127, M225 Series | CF283A
The ZKTeco Receipt Printer ZKP8005 offers fast and reliable printing for shops, offices, and small businesses. It delivers clear receipts with sharp details. The printer works quickly, and it helps improve customer service. It supports daily operations with strong performance. Moreover, the ZKTeco Receipt Printer ZKP8005 has a compact design that fits in tight spaces. It sits easily on counters or desks. Its lightweight build makes it simple to move when needed. This makes it ideal for busy work areas. In addition, the printer offers easy setup for all users. You can connect it to many devices without trouble. It supports USB and other common interfaces. This helps you start printing in just a few minutes. Furthermore, the ZKTeco Receipt Printer ZKP8005 prints with high speed. This reduces waiting time for customers. It also supports long printing sessions without slowing down. Your business gains better efficiency every day. Also, the printer uses high-quality thermal printing technology. It does not require ink or toner. This reduces long-term costs and makes maintenance easier. The paper loading system is simple and fast. The ZKTeco Receipt Printer ZKP8005 also offers strong durability. It lasts for years, even in busy environments. The build quality ensures stable performance in daily use. This makes it a trustworthy tool for many types of businesses. Overall, the ZKTeco Receipt Printer ZKP8005 provides speed, clarity, and easy operation in one compact device. It helps improve workflow and customer experience. It is perfect for retail shops, restaurants, offices, and service counters. This printer offers reliable performance with simple and efficient features. Specifications: Print Method : Direct thermal Paper Width : 79.5±0.5mm Print Speed : 230 mm/s Print Width : 72mm
Description : Direct Thermal Receipt Printer – Speed 200 MM / Second – 80 MM Paper Size – Head Life 100 KM – Lan + RJ11 Interface manufacturer link
The Epson EcoTank L15150 A3 Wi-Fi Duplex All-in-One Ink Tank Printer is designed for businesses that need high-quality, cost-effective printing. It delivers fast and reliable performance with a refillable ink tank system, reducing printing costs. Firstly this A3 ink tank printer supports printing, scanning, copying, and faxing. It handles A3 and A4 paper sizes, making it perfect for offices with diverse printing needs. Its PrecisionCore printhead ensures sharp and vibrant prints with every job. Furthermore with Wi-Fi connectivity, you can print wirelessly from laptops, smartphones, and tablets. The printer supports mobile printing solutions like Epson iPrint and Apple AirPrint, making printing more convenient. Moreover the Epson EcoTank L15150 features automatic duplex printing, saving paper and reducing waste. This makes it an eco-friendly choice for businesses looking to minimize costs and environmental impact. Also the high-capacity ink tank system eliminates the need for cartridges. You can refill the ink easily and print thousands of pages before needing a replacement. This ensures uninterrupted workflow and significant savings. In Addition a large touchscreen display makes navigation simple. You can access settings, monitor ink levels, and manage tasks with ease. This user-friendly design enhances productivity in busy office environments. Also with fast printing speeds, this printer produces up to 25 black-and-white pages per minute. It ensures quick and efficient document handling, ideal for high-volume printing. Finally, built for durability, the Epson EcoTank L15150 is a long-lasting investment for businesses. Its sturdy design ensures reliable performance even with heavy workloads. In conclusion, the Epson EcoTank L15150 A3 Wi-Fi Duplex All-in-One Ink Tank Printer is a powerful and economical solution for professional printing. It combines efficiency, convenience, and cost savings in one advanced device. Specifications: Print speed of up to 25.0 ipm Prints up to A3+ (for simplex) Automatic duplex printing Ultra-high page yield of 7,500 pages (black) and 6,000 pages (colour) Wi-Fi, Wi-Fi Direct, Ethernet
Epson AL-C4200 Photoconductor Photoconductor unit Epson C4200 original. The drum has an approximate yield of 35,000 pages. The photoconductor unit is a necessary part of your printer. which is subject to wear and tear just like the toner. Change it only if specifically requested by the printer. The unit is normally replaced every 3-4 toners, although it depends on the printer model. Buy the original . Epson brand photoconductor unit. If you want to save even more, look under Webcartridge for drums compatible with your printer. Yield 35,000 pag. Specifications: Specifications Highly Durable and Efficient Replaceable every 3-4 Toners Estimated at 35000 Pages Yield Manufacturer Link
Thermal Receipt Printer AP‑8360 delivers quick and clear receipt printing. It uses direct line thermal technology and auto cutter features. Moreover, it accepts 80 mm wide paper rolls for standard receipts. Also, it prints at up to 220 mm/sec for fast checkout service. In addition, the auto cutter supports full or partial cuts with precision. Furthermore, it connects via USB and LAN ports for reliable networking. Additionally, black and orange design fits modern POS setups. Because of this, businesses can print receipts at high speed comfortably. Also, the printer works quietly without disturbing customers. Moreover, ESC/POS compatibility ensures wide software support. Next, manual and wall‑mount options offer flexible installation . Furthermore, thermal printing removes ink costs and simplifies maintenance. Also, its sturdy build suits busy retail environments. Moreover, users get stable performance with low noise output. In addition, integration with cash drawers improves workflows. Thus, it enhances checkout speed and customer satisfaction. Also, dual interface lets you switch between USB and LAN easily. Furthermore, auto cutter reduces paper jams and misprints. In addition, popular in restaurants, shops, and supermarkets. Similarly, its compact size fits tight counters. All in all, Thermal Receipt Printer AP‑8360 offers speed, reliability, and ease. So, it stands out as an essential POS accessory. Specifications: Printing Speed : 250mm/sec Width : 80mm
Label printer for electrical and datacom installations, All-in-one wireless-enabled Brother PT-E550WVP For Industry In electrical and datacom installations, clear, robust labelling is crucial. It’s a durably engineered machine with a rechargeable battery and AC adapter that makes printing labels from 3.5 to 24mm and heat-shrink tubes , with 3 languages: Arabic, Farsi and English. 1 YEAR WARRANTY
The Epson TM-M30II (122) Thermal Receipt Printer is a versatile solution for businesses requiring fast and reliable printing. Designed for retail, restaurants, and hospitality, it produces clear receipts, tickets, and order slips to improve customer service and workflow. Its compact and modern design saves counter space while maintaining professional performance. The printer supports both USB and Ethernet connections, allowing seamless integration with existing POS systems. Consequently, setup is quick, and staff can start printing immediately without interruptions. The TM-M30II (122) provides high-quality, smudge-free prints that ensure receipts and orders are always legible. Its durable construction guarantees long-lasting reliability, reducing maintenance and downtime. Ideal for small to medium-sized businesses, the Epson TM-M30II (122) helps streamline point-of-sale operations, increase efficiency, and enhance customer satisfaction. Its combination of speed, clarity, and compact design makes it a dependable choice for any business environment. Specifications: Fast thermal printing for receipts and tickets Compact, modern design ideal for counters USB and Ethernet connectivity for easy POS integration Clear, smudge-free print output Reliable performance for retail and hospitality
Original product name: HP Printers Color Laser / A4 Format B5L23A Color Laser Jet Enterprise M552dn Speed 38ppm Black and Color, Res 1200x1200dpi, 1.2GHz processor, 1GB Memory, Network, E-print, Airprint, USB2.0, duty Cycle 80,000 pages HP Printers Color Laser / A4 Format B5L23A Color Laser Jet Enterprise M552dn Speed 38ppm Black and Color, Res 1200x1200dpi, 1.2GHz processor, 1GB Memory, Network, E-print, Airprint, USB2.0, duty Cycle 80,000 pages
Barcode Reader Wireless 2D S20W Wireless 2D Barcode Scanner | S20-W Name: Wireless 2D Barcode Scanner Model: S20-W Interface: USB Color: Black
NCTS USB Barcode Scanner – High-speed wired scanner for both 1D and 2D barcodes with auto-sensing mode.Plug-and-play solution ideal for retail, inventory, and logistics operations. Model: NCTS 1D/2D Barcode Scanner (USB Wired) Color: Black Scan Type: Image-based CMOS scanner Supported Barcode Types: 1D: Code 128, Code 39, EAN-13, UPC-A, Codabar, ISBN, etc. 2D: QR Code, PDF417, Data Matrix, Aztec, etc. Supported Barcode Types: 1D: Code 128, Code 39, EAN-13, UPC-A, Codabar, ISBN, etc. 2D: QR Code, PDF417, Data Matrix, Aztec, etc. Interface: USB 2.0 (Plug-and-play, no driver required) Scan Speed: Up to 300 scans/second Resolution: ≥ 4mil (0.1mm) Scan Modes: Manual trigger Auto-sensing Continuous mode Scan Modes: Manual trigger Auto-sensing Continuous mode Light Source: White LED illumination + red aiming line Indicators: LED and buzzer for scan confirmation Power Supply: DC 5V (via USB port) Cable Length: ~1.5 meters Build: ABS plastic, ergonomic handheld design Compatibility: Windows, macOS, Linux, Android Applications: POS, inventory, logistics, healthcare, warehouse use
A versatile wireless 2D barcode scanner with desk stand—Beurotika BS104WS supports auto-scan, continuous, and manual modes, with up to 200 scans per second and a 2000mAh rechargeable battery for all-day use. The Beurotika BS104WS is a high-performance wireless 2.4GHz 2D barcode scanner designed for retail, warehouse, logistics, and office environments. It comes with a convenient desktop stand for hands-free operation and features a 32-bit high-speed processor for fast, accurate decoding of 1D and 2D barcodes—including QR Code, Data Matrix, PDF417, and more Three scanning modes: Auto-scan, continuous scan, and manual trigger—ideal for different workflow needs Scanning speed: Up to 200 scans per second for rapid data capture Wireless range: Reliable 2.4GHz connection (via USB dongle) for cord-free mobility Built-in battery: 3.7V 2000mAh lithium-ion battery offering up to 16 hours of continuous use Ergonomic handheld design with desk stand for flexible countertop or portable use Plug-and-play setup via USB receiver—no drivers required for most systems