The Samsung 86″ Interactive E-Board LH86WACW offers a large and clear display for classrooms and meeting rooms. It shows bright images with strong detail. The screen size allows everyone in the room to see clearly. This improves communication and teamwork. Moreover, the Samsung Interactive E-Board LH86WACW supports smooth touch control. You can write, draw, and move items with ease. The touch response feels fast and natural. This helps teachers and teams present ideas more effectively. In addition, the board includes multiple connection options. You can connect laptops, tablets, and other devices quickly. This makes sharing content easier for everyone. The board also supports wireless features for more flexible use. Furthermore, the Samsung 86″ Interactive E-Board LH86WACW includes built-in software tools. These tools allow easy note-taking and smart collaboration. You can save your work and share it instantly. This helps improve learning and workflow. Also, the display uses strong protection glass. It resists scratches and damage during daily use. The durable design makes it ideal for schools and offices. It stays reliable even with heavy use. The sleek design of the Samsung Interactive E-Board LH86WACW looks modern and professional. It fits well in classrooms, conference rooms, and training centers. The slim frame gives the screen a clean and elegant look. This makes every space feel more advanced. Overall, the Samsung 86″ Interactive E-Board LH86WACW offers clear visuals, fast touch control, and smart tools in one device. It helps teams share ideas better and faster. It also makes lessons more interactive and engaging. This board is perfect for education, business, and training environments. Specifications: Display : 86″ IPS Resolution : 3840×2160 Refresh Rate : 60Hz Response Time : 8ms Model : LH86WACW
A capable pre-owned Dell Latitude 5501 with 15.6" touchscreen, 9th Gen Core i5, 16GB RAM, 256GB SSD, and NVIDIA GeForce MX150 2GB—ideal for business users who need a balance of performance, portability, and light graphics power.
Xprinter XP-80T 80mm Thermal Receipt Printer Press to download driver: XPrinter Driver Setup V7.77
MSI Modern MD272XP Monitor Are you searching for a monitor that can help you level up your productivity, whether at work or in your home office? Look no further than the MSI Modern MD272XP monitor. It’s an efficient and feature-packed solution tailored to meet your professional needs. First and foremost, the MSI Modern MD272XP features a spacious 27-inch display, providing ample screen real estate for your tasks. Whether you’re working on documents, spreadsheets, or simply browsing the web, this monitor offers a comfortable and efficient workspace. In addition to its size, the monitor offers a crisp and clear Full HD resolution. This ensures that text, images, and videos are displayed with exceptional clarity, enhancing your overall viewing experience. Furthermore, the anti-glare technology incorporated into the monitor allows you to work for extended periods without straining your eyes. This feature remains effective even in well-lit environments, reducing potential discomfort. Connectivity is a breeze thanks to the HDMI and DisplayPort ports, accommodating various devices such as laptops and desktops. This flexibility ensures seamless transitions between work and personal tasks. The MSI Modern MD272XP features a sleek, modern design that seamlessly integrates into any office or home office setup, adding a touch of sophistication to your workspace. For ergonomic comfort, the monitor offers tilt adjustability. This feature enables you to find the perfect viewing angle for your specific needs, minimizing discomfort during extended work hours. Specifications: Screen Size : 27″ Resolution : 1920 x 1080 (FHD) Refresh Rate : 100Hz Response Time : 1ms (MPRT) / 4ms (GTG) Panel Type : IPS Viewing Angles : 178°(H) / 178°(V) Aspect Ratio : 16:9 Contrast Ratio : 1000:1
RK61 RGB Mechanical Keyboard – Compact 60% keyboard with Blue switches, tri-mode (Bluetooth/2.4GHz/Wired), and vibrant RGB.Perfect for minimal desk setups and wireless performance with a unique W-W-B color design. Model: Royal Kludge RK61 Layout: 60% compact (61 keys, no numpad or F-row) Switch Type: Blue Mechanical Switches (clicky + tactile feedback) Backlight: RGB with multiple lighting modes & effects Connection Modes (3C): Bluetooth 5.0 – Pair with up to 3 devices Wired USB-C – For gaming and charging 2.4GHz Wireless (on 3-mode models) Connection Modes (3C): Bluetooth 5.0 – Pair with up to 3 devices Wired USB-C – For gaming and charging 2.4GHz Wireless (on 3-mode models) Battery: 1450mAh rechargeable battery Keycaps: ABS double-shot (W-W-B colorway: White-White-Black) Hot-Swappable: No (unless stated on specific variant) Compatibility: Windows, macOS, Android, iOS Anti-Ghosting: Full N-Key rollover Software Support: RK software for key remapping and RGB control (Windows only) Build Material: ABS plastic case, plastic plate Cable: Detachable USB-C cable included Dimensions: Approx. 290 x 100 x 40 mm Weight: ~500g
LED feature Specification Display size 60.5 cm (23.8 in) diagonal Display type IPS with LED backlight Panel active area 52.7 x 29.6 cm (20.7 x 11.7 in) Scan range Horizontal: 30 to 80 KHz Vertical: 50 to 60 Hz Brightness 250 nits Color support Up to 16.7 million colors with the use of FRC technology Color gamut 72% Pixel pitch 0.2745 (H) mm x 0.2745 (V) mm 93 PPI Inputs 1 VGA 1 HDMI Audio in/Audio out HDCP support Viewing angle Horizontal viewing angle (typical): 178 degrees Vertical viewing angle (typical): 178 degrees Recommended resolution (H x V) 1920 x 1080 @ 60 Hz (Full HD) Aspect ratio 16:9 Static contrast ratio 1000:1 Dynamic contrast ratio 10,000,000:1 Response time 6 ms GtG w/OD 14 ms GtG (typ) / 28 ms GtG (Max) Power supply External Power consumption 30 Watts max Tilt -5 to +25 degrees Dimensions W x D x H (unpacked): 54.1 x 18.3 x 40.9 cm (21.3 x 7.2 x 16.1 in) Weight Unpacked: 3.1 Kg (6.8 lbs) Specifications: HP Monitor 24ea 23.8-inch IPS Display Display size 60.5 cm (23.8 in) diagonal Display type IPS with LED backlight Panel active area 52.7 x 29.6 cm (20.7 x 11.7 in)
NB OMS035 NB Desk Mount with Keyboard Tray for 19-27 Inch Screens Up to 9Kg Load Full Motion • Desk Stand offers comfortable viewing position that promotes healthy movements and requires minimum space at home or the office • Fits most 19 to 27 inch screens with ultra-wide foldable keyboard tray • Full motion mount with rotation 360°, swivel ±90° and Tilt angle +12° to -15° • The mount has an extension of 40” (1020 mm), retraction of 3.9” (100mm) and an upright lift distance of 18.9” (480mm) • Design includes a durable gas-strut to hover at any working position • Built-in extra shelf for phone and small goods storage • Supports load from 2 to 9 kg • Mounting VESA compliance 75×75 mm and 100×100 mm • Product dimensions: 24 x 7.3 x 14.4 cm Specifications: Specifications • NB Desk Mount with Keyboard Tray for 19-27 Inch Screens Up to 9Kg Load Full Motion • Desk Stand offers comfortable viewing position that promotes healthy movements and requires minimum space at home or the office • Fits most 19 to 27 inch screens with ultra-wide foldable keyboard tray • Full motion mount with rotation 360°, swivel ±90° and Tilt angle +12° to -15° • The mount has an extension of 40” (1020 mm), retraction of 3.9” (100mm) and an upright lift distance of 18.9” (480mm)
Genuine-quality replacement A1989 battery testing flex cable—brand new and ready for professional MacBook Pro 15" (2018–2019) battery diagnostics and repairs. Genuine-quality replacement A1989 battery testing flex cable—brand new and ready for professional MacBook Pro 15″ (2018–2019) battery diagnostics and repairs. This is a brand-new A1989 Battery Testing Flex Cable, designed specifically for use in MacBook Pro 15-inch models from 2018 and 2019 (A1989) during battery replacement or diagnostic procedures. The flex cable connects the battery to the logic board’s test points, allowing technicians to verify battery health, voltage, and communication before final reassembly—ensuring safe and accurate repairs. Made with high-quality materials and precise engineering, this flex cable matches OEM specifications for fit, function, and reliability. It’s an essential tool for certified repair shops, independent technicians, and advanced DIYers performing battery servicing on T2-chip MacBook Pro models. Please note: This is not a full battery—it is the small flex cable used during battery testing and installation. Proper handling and ESD-safe practices are recommended during installation. Compatible with: MacBook Pro 15″ (2018, A1989) MacBook Pro 15″ (2019, A1989)
AOC C27G4Z 27″ 280Hz 0.3ms curved gaming monitor delivers ultra-fast performance designed for competitive gaming. It focuses on high refresh rate, low response time, and immersive curved visuals. Additionally, it features a 27-inch Fast VA curved panel. This panel uses a 1500R curvature, so it creates a more immersive and focused gaming experience. Moreover, the monitor supports a 280Hz refresh rate with 0.3ms MPRT response time. As a result, it provides extremely smooth motion and reduced blur for fast-paced gameplay. The display uses Full HD resolution (1920 × 1080). Therefore, it allows higher frame rates and consistent performance, especially in competitive esports titles. In addition, it includes Adaptive Sync technology. This reduces screen tearing and stuttering, so gameplay stays smooth across different frame rates. Furthermore, it supports HDR10, low input lag mode, and gaming features such as crosshair overlays and color tuning. These features improve visibility and responsiveness during gameplay. The monitor also includes HDMI and DisplayPort connectivity, along with a 3-sided frameless design for multi-monitor setups. AOC C27G4Z 27″ 280Hz 0.3ms curved gaming monitor provides high-speed performance, immersive design, and competitive-level responsiveness for serious gamers. Check out other option here! Specifications: 27-inch curved Fast VA panel with 1500R curvature 280Hz refresh rate for ultra-smooth gaming performance 0.3ms MPRT response time for minimal motion blur Adaptive Sync support for tear-free gameplay Full HD 1920 × 1080 resolution optimized for high FPS gaming
The ViewSonic VP2768A 2K 27″ monitor delivers professional-grade color accuracy for creators. First, it features Pantone validation and factory-calibrated colors for precise visuals. The monitor offers 2560×1440 resolution, 60Hz refresh rate, and ergonomic adjustments. In addition, it supports multiple connectivity options including HDMI, DisplayPort, and USB-C for flexible setups. Moreover, slim bezels and an anti-glare panel provide a comfortable viewing experience. Therefore, designers, photographers, and video editors can work with consistent colors and enhanced productivity. Specifications: 27″ 2K display with Pantone-validated color for accurate visuals 60Hz refresh rate and ergonomic adjustments for comfortable use Multiple connectivity options: HDMI, DisplayPort, USB-C Anti-glare panel and slim bezels for a better viewing experience Factory-calibrated colors enhance workflow for designers and editors
The Lenovo 65W Round-Tip AC Adapter (AU) provides reliable and efficient power for compatible Lenovo laptops. Designed with a round-tip connector and Australian plug, it’s perfect as a replacement or travel charger. ⚡ 65W Power Output: Delivers stable and efficient charging for Lenovo laptops and notebooks. 🔌 Round-Tip Connector: Designed specifically for Lenovo models using the classic round charging port. 🇦🇺 AU Power Plug: Built for Australian power outlets — ideal for home, office, and travel use in AU regions. 👜 Compact & Portable: Lightweight design makes it easy to carry in a bag or backpack. 🔒 Safe Charging: Features over-voltage, over-current, and short-circuit protection. 🛠️ OEM-Compatible: Works with a wide range of ThinkPad, ThinkBook, and IdeaPad models using round-tip charging.
The HUAWEI IdeaHub Board 2 IHB2-65SU is a 65-inch intelligent collaboration display designed for meetings, classrooms, and hybrid work environments. It combines a 4K UHD interactive touchscreen with built-in collaboration tools for writing, presenting, and video communication. Additionally, it supports smooth interaction for real-time teamwork. Moreover, it features a 65-inch 4K (3840 × 2160) infrared multi-touch screen with up to 20 touch points. Therefore, users can write and interact accurately during meetings and lessons. Furthermore, Huawei designs it with ultra-low writing latency of around 16–25 ms. So, writing feels natural and responsive like a real whiteboard. It also includes anti-glare and zero-gap bonding for clearer visuals. In addition, it integrates a 4K display system with built-in speakers and microphone support. Therefore, it improves audio-visual communication for hybrid meetings and presentations. It also supports dual Wi-Fi and wireless projection from multiple devices. Also, it runs on Android-based system support with optional Windows OPS integration. So, it fits different enterprise IT environments and meeting setups. Overall, the Huawei IdeaHub Board 2 IHB2-65SU delivers interactive 4K collaboration, smooth writing performance, and flexible connectivity for modern workplaces and education spaces. Specifications: 65-inch 4K UHD infrared touch display Up to 20-point multi-touch support Ultra-low writing latency (~16–25 ms) Built-in speakers and conferencing support Wireless projection with dual Wi-Fi connectivity
The Samsung 83-Inch OLED S85F 4K Vision AI Smart TV | QA83S85FAEXTW delivers a premium home cinema experience with a massive OLED display. It uses OLED technology that produces deep blacks, strong contrast, and rich colors. As a result, movies, sports, and games look more realistic and immersive on the large 83-inch screen. Samsung Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, color, and sharpness. Therefore, the viewing experience stays balanced and clear without manual tuning. In addition, AI upscaling improves lower-resolution content and upgrades it closer to 4K quality for better detail and clarity. The OLED panel uses self-lit pixels, so every part of the image is controlled individually. This improves detail in dark scenes while keeping bright areas accurate and vivid. HDR further expands contrast and color range, making visuals more lifelike. Fast motion also appears smoother, which improves sports and action viewing. Samsung’s Smart TV system provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and responds quickly when switching between apps. In addition, the ultra-slim design with thin bezels gives the TV a modern and premium appearance that fits large living rooms and entertainment spaces. Overall, this Samsung OLED TV combines large-screen immersion, AI-powered optimization, and smart connectivity. It is designed for users who want a high-end cinematic viewing experience at home. Specifications: OLED technology delivers deep blacks and rich color accuracy 83-inch 4K display provides immersive large-screen viewing Vision AI optimizes picture and sound automatically in real time HDR enhances contrast, brightness, and color depth Smart TV platform supports streaming apps and smart features
The Transcend TS8XDVDS-K is an ultra-slim, lightweight external portable DVD writer designed for laptops, ultrabooks, and thin desktop computers lacking internal optical drives. Offering fast 8X DVD and 24X CD read/write speeds, it provides a seamless plug-and-play solution for burning media, backing up critical data, and playing movies on the go without requiring an external power adapter. ✅ Full Specifications: Model: Transcend Extra Slim Portable DVD Drive (TS8XDVDS-K) – Black Edition Interface / Connection: Mini-USB to USB Type-A interface (Includes a specialized USB double-headed power/data cable) Performance / Speed: * DVD±R Read/Write: Up to 8X DVD±R DL (Double Layer) Read/Write: Up to 6X DVD-RAM Read/Write: Up to 5X CD-R/RW Read/Write: Up to 24X Performance / Speed: * DVD±R Read/Write: Up to 8X DVD±R DL (Double Layer) Read/Write: Up to 6X DVD-RAM Read/Write: Up to 5X CD-R/RW Read/Write: Up to 24X Capacity / Media Compatibility: Supports standard CD-R/RW, DVD±R, DVD±RW, DVD±R DL, and M-DISC long-term archival media formats. Material & Build: Durable, premium hard plastic housing with a sleek, rounded-edge aesthetic. Design & Form Factor: Extra-slim layout measuring just 13.9mm in thickness. Top-loading tray mechanism with an emergency manual eject hole. Power Setup: Fully USB bus-powered (No external power wall adapter required; draws power directly from host computer USB ports). Security & Software: Includes a free download of CyberLink Media Suite 10 (Media Writer) data burning software via registration. Supports TV Connectivity (allows plugging into supported smart TVs to play media files directly). Compatibility: Windows 11 / 10 / 8 / 7, macOS (10.7 and above), and Linux Dimensions: Approx. 142.8 x 148.0 x 13.9 mm (5.62″ x 5.83″ x 0.55″) Weight: Approx. 264 grams (0.58 lbs)
OEM-quality left and right loudspeaker replacement pair for MacBook Pro 14″ (Model A2442, 2021, M1 Pro/Max)—restores Apple’s high-fidelity six-speaker audio system with precise sound staging, rich bass, and clear highs. Compatible With: MacBook Pro 14-inch (2021, Model A2442) with Apple M1 Pro or M1 Max chip (Model Identifier: MacBookPro18,3 or MacBookPro18,4). Includes: Complete left and right speaker assemblies, each containing: Dual-driver units (force-cancelling woofers + tweeters) Pre-attached flex cables with OEM connectors Mounting brackets and acoustic seals Dual-driver units (force-cancelling woofers + tweeters) Pre-attached flex cables with OEM connectors Mounting brackets and acoustic seals Audio Performance: Matches Apple’s advanced six-speaker sound system with: Wide stereo separation High dynamic range Spatial audio and Dolby Atmos support (when paired with original logic board and firmware) Wide stereo separation High dynamic range Spatial audio and Dolby Atmos support (when paired with original logic board and firmware) OEM Build Quality: Precision-engineered housings with exact acoustic chambers, grille alignment, and cable routing—ensures zero rattling and full macOS audio calibration compatibility. Common Use Cases: Replaces speakers damaged by liquid ingress, physical impact, or internal failure (e.g., no sound, distorted audio, or imbalance between channels). Installation Note: Requires full bottom case and logic board disassembly. Speakers are secured with screws and acoustic adhesive. Highly recommended for certified Apple technicians or experienced professionals only due to complex internal layout and sensitivity of audio components. Important: This speaker pair is exclusive to A2442 (14″, 2021, M1 Pro/Max). Not compatible with 16″ MacBook Pro (A2485), 13″ models, or Intel-based MacBooks. This speaker pair is exclusive to A2442 (14″, 2021, M1 Pro/Max). Not compatible with 16″ MacBook Pro (A2485), 13″ models, or Intel-based MacBooks. Model Verification: Confirm your device via > About This Mac > Model Identifier (must be MacBookPro18,3 or MacBookPro18,4).
HP S3PRO 324pv Monitor Overview The HP S3PRO 324pv is a Full HD monitor designed for professional and office use. It delivers clear visuals and stable performance. As a result, it suits business environments and home offices. 23.8-Inch Full HD Display This monitor features a 23.8-inch Full HD resolution. Therefore, text appears sharp and easy to read. Moreover, images look clear and well balanced. Because of this, it supports long working sessions comfortably. In addition, wide viewing angles keep content visible from different positions. As a result, collaboration becomes easier. Smooth and Reliable Visual Performance The HP S3PRO 324pv provides smooth visuals for daily tasks. As a result, scrolling and multitasking feel natural. Furthermore, the display maintains consistent brightness. This improves overall viewing comfort. Eye Comfort and Anti-Glare Screen This monitor includes eye comfort features. Therefore, it helps reduce eye strain during extended use. In addition, the anti-glare coating minimizes reflections. As a result, the screen stays clear in bright environments. Connectivity and Easy Setup The HP S3PRO 324pv includes essential connectivity options. As a result, it connects easily to desktops and laptops. Moreover, setup is quick and simple. Therefore, users can start working immediately. Professional Design and Mounting Support The monitor features a clean and professional design. In addition, it supports VESA mounting. As a result, users can create a flexible workspace layout. Ideal for Business and Office Use This monitor focuses on clarity and reliability. Moreover, it supports productivity without distractions. In conclusion, the HP S3PRO 324pv is a practical Full HD monitor for professional use. Specifications: Display: 23.8-inch diagonal VA panel with 3-sided micro-edge bezels. Performance: 100Hz refresh rate for smooth visuals, 3000:1 contrast ratio, 250 nits brightness, 16:9 aspect ratio. Connectivity: 1x HDMI 1.4, 1x VGA.
The Stylus Pen is an active capacitive stylus pen designed for smooth and precise writing on all capacitive touchscreens. Featuring a superfine copper nib, palm rejection, and rechargeable battery, it’s perfect for note-taking, drawing, and everyday touchscreen use with iPads, iPhones, tablets, and smartphones. The Superfine Nib Active Capacitive Stylus Pen (Silver) is built for users who want accurate and smooth writing on touchscreens without needing Bluetooth or an app. Its superfine elastic copper tip provides delicate strokes while helping protect your screen from scratches. With palm rejection support, rechargeable battery, and one-click operation, it’s ideal for students, professionals, and creators using iPads, iPhones, and other capacitive touchscreen devices. Superfine Copper Nib for smooth writing and accurate strokes Palm Rejection Technology for comfortable writing experience No Bluetooth / No App Required – one-click operation Rechargeable Battery with up to 10 hours working time Magnetic Cap Design prevents loss and keeps the pen protected Compatible with iOS & All Capacitive Touchscreens Lightweight & Portable ideal for travel, school, and office use Compatible with all capacitive touchscreen devices, including iPad Pro, iPad Mini, iPad Air, and iPhones (11 series and earlier generations), plus most Android tablets and touchscreen phones.
DELL 7.6V 68Wh/8500mAh 4-Cell GJKNX Laptop Battery Compatible with Dell Latitude E5480 E5580 E5490 E5491 E5590 E5591 Precision 15 3520 M3530 Series Notebook 93FTF GD1JP DY9NT 5YHR4 451-BBZG About this item Dell Authentic OEM Parts. Item Model: GJKNX, Battery Type: Li-Polymer, Voltage: 7.6V, Capacity: 68Wh, Cell: 4 cell. Before purchasing, please open the back cover of the laptop to confirm the battery model and shape. Compatible Battery P/N: 68Wh GJKNX GD1JP 0GD1JP DY9NT 0DY9NT 5YHR4 451-BBZG FPT1C KCM82 MT31P. Compatible Laptop Models: for Dell Latitude 5280 5288 5290 5480 5488 5490 5580 5590 5495 5491 5591 5590 E5480 E5580 E5490 E5590 P72G001 P72G002 P72G003 P60F001 series, For Dell Precision 15 3520 3530 Series ( Only work with type 68Wh battery)
The MSI MAG 275QPF X30 0.5ms 2K 300Hz Gaming Monitor delivers fast, smooth performance and sharp visuals for serious gamers. Its 27-inch screen with 2K resolution brings games, movies, and work to life with crisp detail and vibrant colors. Moreover, the ultra-fast 300Hz refresh rate helps reduce motion blur and deliver fluid action during intense gaming sessions. This monitor features a 0.5ms response time that allows you to react quickly in fast-paced games, keeping visuals clear even during rapid movement. Additionally, the display supports wide viewing angles and rich color performance, making your experience more engaging whether you play competitive games or watch movies. The sleek design blends well into gaming setups and home offices. The MSI MAG 275QPF X30 also includes multiple connectivity options, making it easy to connect PCs, laptops, and consoles. Furthermore, ergonomic tilt adjustment helps you find a comfortable viewing angle for long sessions. Therefore, it is ideal for competitive and casual gamers alike who value speed and clarity. Finally, it combines fast response, smooth motion, and sharp visuals for great everyday use. Specifications: 27″ 2K gaming monitor 300Hz refresh rate for smooth motion 0.5ms response time for fast action Vibrant visuals and wide viewing angles Multiple connectivity options
The Darkflash G27SE 27″ 75Hz FHD Monitor delivers stunning visuals and smooth performance. Whether gaming or working, this monitor enhances your experience with vibrant colors and sharp details. Featuring a 27-inch Full HD display, the Darkflash G27SE provides ample screen space for multitasking. Enjoy immersive viewing with a resolution of 1920×1080, perfect for watching videos or browsing the web. With a refresh rate of 75Hz, this monitor offers smooth and fluid visuals, reducing motion blur during fast-paced scenes. Gamers will appreciate the responsive performance that keeps up with intense action. The Darkflash G27SE monitor is designed with an ultra-thin bezel, providing a sleek and modern look. This design maximizes your viewing area and is perfect for multi-monitor setups, giving you a seamless visual experience. Equipped with multiple connectivity options, including HDMI and VGA ports, the Darkflash G27SE ensures compatibility with various devices. Easily connect your computer, gaming console, or other peripherals without any hassle. The monitor features adjustable settings, allowing you to customize the display to your preference. Adjust the brightness, contrast, and color settings for the best viewing experience, tailored to your needs. With built-in eye-care technology, the Darkflash G27SE reduces eye strain during prolonged use. Enjoy a more comfortable viewing experience with features like blue light reduction and flicker-free technology. In conclusion, the Darkflash G27SE 27″ 75Hz FHD Monitor offers exceptional clarity and performance for both work and play. Upgrade to this monitor today and enjoy vibrant visuals and smooth operation. Specifications: Display : 27″ FHD IPS Refresh Rate : 75Hz
