RAM CRUCIAL 8GB 2666 DDR4 NOTEBOOK About this item Improve your system’s responsiveness, run apps faster and multitask with ease Good Quality with a high end Crucial RAM CB8GS2666 8GB DDR4 2666 MHz Laptop Memory Easy to use
The ViewSonic XG2709A 27″ 240Hz Gaming Monitor is built for competitive gamers who need top-tier performance and responsiveness. With a blazing 240Hz refresh rate, it delivers ultra-smooth visuals in every frame. A 1ms MPRT response time ensures fast and accurate performance, helping reduce motion blur and ghosting during intense action. The Full HD resolution brings sharp details, making it perfect for gaming and daily use. Its SuperClear® IPS panel offers wide viewing angles and rich, vibrant colors. This means no matter where you sit, your screen will always look great. The ViewSonic XG2709A 27″ 240Hz Gaming Monitor features AMD FreeSync™ technology, which eliminates screen tearing and stuttering for smooth, uninterrupted gameplay. HDR10 support brings better brightness and contrast to your visuals, making dark scenes deeper and bright scenes more vivid and clear. It gives games and videos more depth and realism. Multiple input options like HDMI and DisplayPort let you connect to PCs, gaming consoles, and other devices with ease. A 3.5mm audio out port is also available for external speakers or headphones. The stand is fully adjustable, offering tilt, swivel, height, and pivot functions to keep you comfortable. It’s also VESA compatible for wall or arm mounting. Its anti-glare screen reduces reflections, making long gaming sessions easier on your eyes. The sleek, modern design fits into any setup with ease. In conclusion, the ViewSonic XG2709A 27″ 240Hz Gaming Monitor offers speed, comfort, and vibrant visuals, making it a top choice for serious gamers. Specifications: Display : 27″ IPS Resolution : 1920 x 1080 FHD Refresh Rate : 240Hz Response Rate : 1ms MPRT Height Adjust (mm): 130
TP-Link TL-WR841N Router – 300Mbps Wi-Fi speed with 2 fixed antennas and 4 LAN ports.Ideal for home and small office use with support for multiple modes and secure encryption. Model: TP-Link TL-WR841N Wi-Fi Standard: IEEE 802.11b/g/n Frequency: 2.4GHz only Speed: Up to 300Mbps (Wireless N) Antennas: 2 Fixed 5dBi Omni-directional Antennas Ports: 1x WAN Port (10/100Mbps) 4x LAN Ports (10/100Mbps) Ports: 1x WAN Port (10/100Mbps) 4x LAN Ports (10/100Mbps) Security: WPA/WPA2, SPI Firewall, MAC address filtering Modes: Router, Range Extender, Access Point, WISP Wireless Features: SSID broadcast control, WDS bridging, bandwidth control Management: Web UI, TP-Link Tether App Dimensions: 192 × 134 × 33 mm
BenQ MOBIUZ EX2710 27″ Display Screen Size 27 inch Panel Type IPS Backlight Technology LED backlight Resolution (max.) 1920×1080 Brightness (typ.) 350 nits Brightness (peak)(HDR) 400 nits HDR HDR10 Native Contrast 1000:1 Viewing Angle (L/R) (CR>=10) 178°/178° Response Times (GtG) 2 ms Response Times (MPRT) 1 ms Refresh Rate (Hz) 144 Color Gamut 99% sRGB Color Mode Cinema HDRi, ePaper, FPS, Game HDRi, HDR, M-Book, Racing game, RPG, sRGB, Standard Aspect Ratio 16:9 Display Colors 16.7 million color PPI 82 Display Screen Coating Anti-Glare Color Temperature Bluish, Normal, Reddish, User Define Gamma 1.8 – 2.6 HDCP 2.2 OSD Language Arabic, Chinese (simplified), Chinese (traditional), Czech, Deutsch, English, French, Hungarian, Italian, Japanese, Korean, Netherlands, Polish, Portuguese, Romanian, Russian, Spanish, Swedish AMA Yes Audio Built-in Speaker 2.5Wx2 Headphone Jack Yes Power Voltage Rating 100 – 240V Power Supply Built-in Power Consumption (normal) 22 W Power Consumption (max) 58 W Power Consumption (sleep mode) <0.5 W Dimension and Weight Tilt (down/up) -5˚ – 20˚ Swivel (left/right) 20˚/ 20˚ Height Adjustment Stand 130 mm Dimensions (HxWxD) (mm) 409.6 – 539.6×614.1×216.7 Dimensions (HxWxD) (inch) 16.1 – 21.2×24.2×8.5 Dimensions (HxWxD) (w/o Base) (mm) 382.2×614.1×64.1 Dimensions (HxWxD) (w/o Base) (inch) 15.1×24.2×2.5 Net Weight (kg) 6.2 Net Weight (lb) 13.7 Net Weight (w/o Base) (kg) 4 Net Weight (w/o Base) (lb) 8.8 VESA Wall Mount 100×100 mm Accessories Other Accessories QSG, Warranty Card Connectivity HDMI (v2.0) 2 DisplayPort (v1.2) 1 Eye Care Flicker-free Technology Yes Low Blue Light Yes Brightness Intelligence Plus (B.I.+) Yes Color Weakness Yes ePaper Yes Certification TUV Certificate Flicker-free, Low Blue Light Video Enjoyment HDRi Yes Professional Video Format Support Yes Specifications: BenQ MOBIUZ EX2710 27″ Screen Size 27 inch Panel Type IPS Backlight Technology LED backlight Resolution (max.) 1920×1080 Brightness (typ.) 350 nits 1 Year Warranty
Genuine Apple MacBook Pro 15″ (A1990) display assembly—carefully removed from original units and tested for quality. Perfect for repairs or replacements with full OEM clarity and color accuracy. Model Compatibility: Designed exclusively for MacBook Pro 15-inch (2018–2019 models, A1990). Original Apple Display: Not a third-party or replica—this is a genuine Apple Retina display assembly pulled from verified MacBook Pro units. Retina Quality: Features a 15.4-inch LED-backlit Retina display with 2880 x 1800 resolution, True Tone technology, and P3 wide color gamut for vibrant, accurate visuals. Includes Full Assembly: Complete with front glass, LCD panel, camera module, ambient light sensor, and bezel—ready for direct installation. Professionally Tested: Each unit undergoes visual and functional inspection to ensure no dead pixels, discoloration, or backlight bleeding. Condition: “Pulled” means it was removed from a working or used MacBook Pro—cosmetically clean with full functionality, but not brand new. Ideal for Repair Technicians: Perfect for screen replacements, device refurbishment, or parts resellers requiring OEM-level quality.
7.4V 51WH Laptop Battery G5M10 for DELL Latitude E5450 E5550 Notebook 15.6" G5M10 8V5GX R9XM9 WYJC2 1KY05-SIKER 7.4V 51WH Laptop Battery G5M10 for DELL Latitude E5450 E5550 Notebook 15.6″ G5M10 8V5GX R9XM9 WYJC2 1KY05-SIKER About this item Battery type: Li-ion Capacity:7.4V 51WH 100% New Manufacturer Features 100% Brand Replacement New battery
Verbatim Vi3000 512 GB NVMe SSD — high-speed PCIe 4.0 storage for desktops & laptops.• Read up to 5,000 MB/s • Write up to 3,200 MB/s • Compact M.2 2280 form factorInterface: PCIe Gen 4 × 4 NVMe 1.4 | Warranty: 3 Years | SKU: Vi3000-512G 🟣 Full Details : The Verbatim Vi3000 512 GB PCIe NVMe M.2 SSD delivers blazing-fast performance for everyday computing, gaming, and creative work. Using the latest PCIe Gen 4 × 4 NVMe 1.4 interface, it achieves read speeds up to 5,000 MB/s and write speeds up to 3,200 MB/s, making it a great upgrade for faster boot times and quicker app loading. PCIe Gen 4 × 4 NVMe 1.4 interface for ultra-fast transfer speeds Up to 5,000 MB/s read and 3,200 MB/s write performance Compact M.2 2280 design for desktops & laptops Low power consumption and quiet operation 3-year limited warranty with Verbatim reliability Works with most modern desktops and laptops that support M.2 NVMe (PCIe) drives. Fully backward compatible with PCIe 3.0 systems (at lower speeds). Verbatim Vi3000 512 GB M.2 NVMe SSD Quick installation & warranty guide
WiWU A821CH 8‑in‑1 Stand & Dock – A foldable aluminum laptop stand with a built-in 8‑port USB‑C dock (two USB‑A, two USB‑C, HDMI 4K30, SD/TF, Gigabit Ethernet, PD 100 W).Enhances comfort, cooling, and functionality—perfect for decluttered, professional work setups. Model: WiWU A821CH Design: Sturdy aluminum alloy stand with foldable, portable design, hollow surface for cooling, and silicone pads to prevent slips Dimensions & Weight: Compact when folded (~400 g in aluminum) Docking Hub Ports: 2 × USB-C ports 2 × USB‑A 3.0 ports 1 × HDMI (up to 4K@30 Hz) SD + micro‑SD card slots 1 × RJ‑45 Gigabit Ethernet (1000 Mbps) Docking Hub Ports: 2 × USB-C ports 2 × USB‑A 3.0 ports 1 × HDMI (up to 4K@30 Hz) SD + micro‑SD card slots 1 × RJ‑45 Gigabit Ethernet (1000 Mbps) Power Delivery: USB-C PD 3.0 supports up to 100 W—can charge a laptop while using other ports Connectivity: HDMI supports up to 4K@30 Hz; Ethernet up to Gigabit speed Stand Features: Detachable base—can use stand and hub together or separately, with adjustable ergonomic angles and vents for airflow Durability: Aluminum alloy with frosted texture, scratch-resistant finish, tested to executive standards
The Moxom MX-ST16 is a 12-in-1 safety power strip with 4 AC outlets, 7 USB-A ports, and 1 USB-C PD port. It supports up to 2500W / 10A total load and provides fast USB charging (PD 20W + QC 18W), making it a practical charging hub for home, office, and desk setups. ⚡ 12-in-1 Multi-Output Design: 4 AC sockets + 7 USB-A + 1 USB-C PD allow powering and charging many devices at once. 🔋 Fast USB Charging: USB-C PD up to 20W for modern phones and tablets. QC fast-charge up to 18W on supported USB-A ports. Smart IC balances output across ports for safe, efficient charging. 🔋 Fast USB Charging: USB-C PD up to 20W for modern phones and tablets. QC fast-charge up to 18W on supported USB-A ports. Smart IC balances output across ports for safe, efficient charging. 🛡️ Multi-Safety Protection: Overload protection, surge/over-voltage protection, over-current and overheating protection, plus foreign-object detection. 👶 Child-Safety Shutters: Safety doors on AC outlets reduce accidental contact. ⏻ One-Key Master Switch: Single button controls all outlets for easy power cut-off. 📏 Long Extension Cord: About 2 meters for flexible placement. 🧊 Heat-Resistant Build: ABS + PC construction designed for durability under continuous load.
DELL Battery YRDD6 Laptop for replaceable Dell Inspiron 7586 5482 5485 5491 3310 2-in-1 3493 3582 3593 3793 5493 5593 5480 5590 5591 5594 5598 15 3583 3584 Vostro 3491 5481 5581 5490 5590 VM732 About this item Battery Type: 3cell Li-Polymer Voltage &Capacity : 11.4V 42WH Safeguard features against incorrect voltage, short circuit, internal overheating 100% Brand new ,Grade A cells battery; Quality assurance;every battery has passed factory testing; 500+ recharge cycles over
Acer KA240Ybi 24´´ FHD LED 75Hz Monitor – Display diagonal: 60.5 cm (23.8) – Display resolution: 1920 x 1080 pixels – HD type: Full HD – Display technology: LCD – Response time: 4 ms – Native aspect ratio: 16:9 – Viewing angle horizontal: 178° Viewing angle – vertical: 178°. Built-in speaker(s). – Built-in USB hub. – VESA mounting Height adjustment Specifications: Acer KA240Ybi 24´´ FHD LED 75Hz Monitor Display diagonal: 60.5 cm (23.8) – Display resolution: 1920 x 1080 pixels – HD type: Full HD – Display technology: LCD – Response time: 4 ms
WiWU 14-inch & 15.6-inch Minimalist Laptop Sleeve for Macbook Air 2020 Protective Case Minimalist Laptop Sleeve Water resistant polyester+ Fax fur lining Ultra slim design with front pocket Including packing weight:14inch 280g/15.6inch 320g WiWU 14-inch & 15.6-inch Minimalist Laptop Sleeve for Macbook Air 2020 Protective Case
The Philips 242V8 24″ 75Hz Monitor is a great choice for home and office use. It delivers clear visuals and smooth performance. With its Full HD resolution, you can enjoy sharp and detailed images. This 24-inch monitor features a 75Hz refresh rate for fluid motion. It reduces screen tearing and stuttering, making it ideal for everyday tasks and casual gaming. The fast response time ensures smooth transitions between frames. The Philips 242V8 24″ 75Hz Monitor uses SmartContrast technology for deep blacks and bright whites. It enhances image quality, making videos and images look better. The IPS panel provides wide viewing angles with consistent colors. With Flicker-Free technology, this 75Hz monitor reduces eye strain. It also includes LowBlue Mode to minimize harmful blue light. This makes it comfortable for long hours of use. Connectivity is simple with HDMI and VGA ports. You can easily connect it to your PC, laptop, or gaming console. The setup is quick and hassle-free. The Philips 242V8 24″ 75Hz Monitor has a slim and modern design. It fits well in any workspace, whether at home or in the office. The adjustable tilt stand provides a comfortable viewing experience. This Full HD monitor is energy-efficient, helping you save on power consumption. It meets eco-friendly standards while delivering high performance. In conclusion, the Philips 242V8 24″ 75Hz Monitor is a reliable and affordable display. It offers smooth visuals, eye comfort, and a sleek design, making it a perfect choice for work and entertainment. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 75Hz Response Rate : 4ms Speaker : 2W x2
The MSI MAG 272F X24 is a 27‑inch FHD gaming monitor made for fast and fluid gameplay. It delivers vibrant Full HD visuals with a rapid 240 Hz refresh rate. Furthermore, its fast 0.5 ms response time helps reduce motion blur and ghosting for clearer action. This monitor uses Adaptive‑Sync technology, which improves smoothness and reduces tearing during high‑speed gaming. In addition, its panel offers wide viewing angles and consistent color performance, helping players see details clearly from different positions. Moreover, the display includes multiple connectivity options such as DisplayPort and HDMI, allowing easy setup with gaming PCs and consoles. Ergonomic adjustments support tilt and height changes for comfortable long sessions. As a result, the MSI MAG 272F X24 enhances both competitive play and casual gaming experiences. Specifications: 27‑inch FHD (1920 × 1080) display with 240 Hz refresh rate 0.5 ms response time for reduced motion blur Adaptive‑Sync for smooth gaming performance Multiple connectivity options including DisplayPort and HDMI Ergonomic tilt and height adjustment for comfortable use
WiWU Waterproof Large Capacity Minimalist Backpack Business Laptop Backpack Bags with Multi-Pockets For digital gadgets Minimalist Style Water-resistant material,Polyester Large Capacity Have Stock Size:15.6 inch
The Samsung 65″ Neo QLED QN70F 4K Vision AI Smart TV QA65QN70FAUXTW delivers a premium viewing experience with advanced Neo QLED technology. It produces bright, sharp, and highly detailed images with strong contrast, so movies, sports, and games look clear and immersive on the 65-inch screen. Neo QLED technology uses Quantum Mini LEDs to improve brightness control and contrast accuracy. As a result, dark scenes appear deeper while bright scenes stay vivid and balanced. This creates a more realistic picture across different types of content. Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color. Therefore, the TV consistently delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands brightness range and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action viewing. The Smart TV platform 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 slim design with thin bezels gives the Samsung 65 Neo QLED QN70F 4K Vision AI Smart TV QA65QN70FAUXTW a modern and premium appearance. Overall, this Samsung Neo QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful entertainment experience. Specifications: Neo QLED technology delivers bright, sharp, and detailed visuals 65-inch 4K display provides immersive viewing experience Vision AI enhances picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
Are you searching for the ultimate gaming monitor to fuel your passion? Look no further than the Samsung Odyssey G65B Gaming Monitor. Crafted with precision and innovation, this monitor sets the standard for gaming excellence. The Samsung Odyssey G65B boasts a stunning curved display that pulls you into the heart of the action. Immerse yourself in every detail with its expansive 65-inch screen, providing a truly immersive gaming experience. With a lightning-fast refresh rate and response time, the Odyssey G65B ensures smooth gameplay without motion blur or input lag. Dominate the competition with precise, fluid movements that give you the edge in every game. Equipped with Quantum Dot technology, this monitor delivers lifelike colors and breathtaking clarity. Experience vibrant visuals that bring your favorite games to life with stunning realism and depth. Say goodbye to screen tearing and stuttering thanks to the Odyssey G65B’s support for NVIDIA G-SYNC and AMD FreeSync technologies. Enjoy tear-free gaming sessions with buttery-smooth gameplay, no matter your graphics card. The Odyssey G65B isn’t just a gaming monitor—it’s a command center for your gaming experience. With features like Picture-by-Picture and Picture-in-Picture, you can multitask like never before, keeping an eye on multiple sources simultaneously. In conclusion, the Samsung Odyssey G65B Gaming Monitor raises the bar for gaming displays. Dive into a world of unparalleled performance, stunning visuals, and immersive gameplay. Upgrade your gaming setup with the Odyssey G65B and experience gaming like never before. Specifications: Display : 32″ Curvature : 1000R Resolution : 2,560 x 1,440 QHD Refresh Rate : 240Hz Response Rate : 1ms(GTG)
MSI MAG 272UP QD-OLED X24 is a premium 27-inch gaming monitor designed for competitive gaming, content creation, and immersive entertainment. It features a 4th-generation QD-OLED panel with 4K UHD resolution (3840 × 2160), delivering exceptional image quality, deep blacks, and vibrant colors. The monitor offers an ultra-fast 240Hz refresh rate and a 0.03ms GtG response time for incredibly smooth gameplay and minimal motion blur. Therefore, it is ideal for fast-paced esports titles and AAA gaming experiences. It supports both NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro technologies to reduce screen tearing and stuttering. In addition, VESA DisplayHDR True Black 400 certification enhances contrast and HDR performance for more realistic visuals. The monitor delivers outstanding color accuracy with 99% DCI-P3 coverage, 98% Adobe RGB coverage, and Delta E ≤ 2 calibration. Moreover, MSI OLED Care 2.0 technology helps reduce the risk of image retention and burn-in. Connectivity includes HDMI 2.1, DisplayPort 1.4a, and USB Type-C with DisplayPort Alt Mode and 15W Power Delivery. As a result, it provides excellent compatibility with gaming PCs, laptops, PlayStation 5, and Xbox Series X consoles. Specifications: 27-inch 4K UHD QD-OLED display 240Hz refresh rate for ultra-smooth gaming 0.03ms GtG response time G-SYNC Compatible and FreeSync Premium Pro DisplayHDR True Black 400 with OLED Care 2.0
Alienware 25 Gaming Monitor: AW2521HFLA Diagonal Viewing Size: 62.2 cm 24.5 Inches Preset Display Area (H x V) 543.744 mm x 302.616 mm 21.41″” x 11.91″” 164545.63 mm2 (255.04 inches2) Alienware 25 Gaming Monitor Panel Type: Fast IPS Display Screen Coating Antiglare with 3H hardness Maximum Preset Resolution 1920 x 1080 at 240Hz Viewing Angle (178° vertical / 178° horizontal) Pixel Pitch 0.283 mm x 0.280 mm Pixel Per Inch (PPI) 90 Contrast Ratio 1000: 1 (typical) Aspect Ratio (16:9) Backlight Technology LED edgelight system Brightness 400 cd/m2 (typical) Response Time(typical) True 1ms (gray to gray, in Extreme Mode) Audio Output No Connectivity Connectivity 2 x HDMI (ver 2.0) 1 x DP 1.2 1 x USB 3.0 upstream port (Rear) 2 x USB 3.0 Downstream port (Rear) 2 x USB 3.0 Downstream port [Front Bottom, one with BC1.2 charging capability at 2A(max)] 1 x Headphone-out jack (Front Bottom) 1 x Audio Line-out jack( Rear)AMD Free-Sync™ YesNVIDIA® G-SYNC® Compatible YesAlienFX™ Lighting Yes Dimensions & Weight Height with stand (Compressed ~ Extended) 421.21 mm ~526.08 mm 16.58″ ~ 20.71″ Width 556.29 mm 21.90″Depth 251.92 mm 9.92″Height without stand 328.24 mm 12.92″Width without stand 556.29mm 21.90″ Depth without stand 72.95 mm 2.87″ Weight (panel only – for VESA mount) 3.55 kg 7.81 lb Weight (with packaging) 11.22 kg 24.71 lb Power Voltage Required 100 VAC to 240 VAC / 50 Hz or 60 Hz + 3 Hz /1.5 A (typical)Power Consumption 0.2 W (Off Mode) 0.3 W (Standby Mode) 20.4 W (On Mode) 72 W (Max) Environmental Temperature Range Operating: 0° to 40°C (32° to 104°F) Non-operating: -20° to 60° (-4° to 140° F)Humidity Range Operating: 10% to 80% (non-condensing) Non-Operating:5% to 90% (non-condensing)Altitude Operating: 5,000 m (16,404 ft) max Non-Operating: 12,192 m (40,000 ft) max Chassis Adjustability Height adjustable stand (130 mm) and Height-markers Tilt (-5° to 21°) Swivel (-20° to 20°) Pivot (-90° to 90°) Built in cable-management Low Blue Light Yes, Comfort View Flicker-free Yes Specifications – Service / Support Details 3-Year Advanced Exchange Service and Premium Panel Exchange Color Support Color Gamut (typical): sRGB 99% Color Depth: 16.78 Million colors Built-in Devices NA Flat Panel Mount Interface VESA (100 mm) Specifications: Alienware 25 Gaming Monitor 240Hz refresh rate ips Panel Type: Fast IPS Color Support Color Gamut (typical): sRGB 99% 1 Year Warranty Manufacturer Link
Dominate the battlefield with the Genius Scorpion M705, featuring a high-precision 7200 DPI sensor and striking 7-color breathing RGB lighting. Built with a durable braided cable and 6 programmable buttons, it’s the ultimate entry-level weapon for gamers seeking speed, style, and reliability. The Genius Scorpion M705 is designed to provide gamers with a competitive edge without compromising on comfort. Equipped with an optical sensor that reaches up to 7200 DPI, it ensures smooth and accurate tracking across various surfaces. Its ergonomic right-handed shape and lightweight build reduce wrist strain during marathon sessions, while the integrated 32K memory allows you to take your custom macros and profiles wherever you go. Adjustable 7200 DPI Sensor: Seamlessly switch between six sensitivity levels (800/1600/2400/3200/4800/7200 DPI) to match your game’s pace, from high-speed movement to pixel-perfect sniping. Dynamic RGB Breathing Effects: Enhance your gaming atmosphere with 7 dazzling LED colors that pulse with a “breathing” effect. You can easily adjust the lighting mode using the DPI + Forward/Backward shortcuts. 6 Programmable Buttons: Fully customize your controls. Assign macros, shortcut keys, or specific in-game commands to the 6 buttons to execute complex actions with a single click. Built-in 32K Memory: Save your settings directly on the mouse. Your custom profiles and button assignments stay with you, even when switching to a different PC. Professional Durability: Features a 1.8-meter braided USB cable that prevents tangling and increases the lifespan of the device, ensuring a stable, low-latency connection. Sensor Type: Optical Resolution: 800 – 7,200 DPI Number of Buttons: 6 (Programmable) Illumination: 7-Color RGB Breathing LED Interface: USB Wired Cable: 1.8m Braided Cable Internal Memory: 32K Dimensions: 120.2 x 72.7 x 39.6 mm Weight: Approx. 120g (including cable) Compatibility: Windows 8, 10, 11 or later What’s in the Box Compatibility: Windows 8, 10, 11 or later What’s in the Box Genius Scorpion M705 Gaming Mouse Multi-language Quick Guide
