Dell Latitude 5400 — business-class laptop built for reliability and productivity.• Intel Core i5 8th Gen • 8 GB RAM • 256 GB SSD • 14” FHD TouchscreenWindows | Durable Design | Backlit Keyboard
Panel Size (inch) : 23.8 Aspect Ratio : 16:9 Display Viewing Area (H x V) : 527.04 x 296.46 mm Display Surface : Non-Glare Backlight Type : LED Panel Type : IPS Viewing Angle (CR≧10, H/V) : 178°/ 178° Pixel Pitch : 0.2745mm Resolution : 1920×1080 Color Space (sRGB) : 99% Brightness (Typ.) : 250cd/㎡ Contrast Ratio (Typ.) : 1000:1 ASUS Smart Contrast Ratio (ASCR) : 100000000:1 Display Colors : 16.7M Response Time : 5ms(GTG) Refresh Rate (Max) : 75Hz Flicker-free : Yes Video Feature Trace Free Technology : Yes SPLENDID Technology : Yes Color Temp. Selection : Yes(4 modes) GamePlus : Yes QuickFit : Yes HDCP : Yes VRR Technology : FreeSync™ Low Blue Light : Yes I/O Ports HDMI(v1.4) x 1 DVI x 1 VGA x 1 Signal Frequency Digital Signal Frequency : 24~84 KHz (H) / 48~75 Hz (V) Analog Signal Frequency : 24~84 KHz (H) / 48~60 Hz (V) Power Consumption Power Consumption : 13.2W Power Saving Mode : <0.5W Power Off Mode : <0.5W Voltage : 100-240V, 50/60Hz Mechanical Design Tilt : Yes (+23° ~ -5°) VESA Wall Mounting : 100x100mm Kensington Lock : Yes Dimensions (Esti.) Phys. Dimension with Stand (W x H x D) : 540.45 x 403.67 x 203.94 mm Phys. Dimension without Stand (W x H x D) : 540.45 x 324.67 x 44.4 mm Box Dimension (W x H x D) : 559 x 415 x 127 mm Weight (Esti.) Net Weight with Stand : 3.57 Kg Net Weight without Stand : 3.18 Kg Gross Weight : 5.50 Kg 3 Years Warranty manufacturer link
The Samsung 24 inch 120Hz Essential Monitor S3 S32GF delivers smooth visuals with a Full HD display and fast refresh rate. Additionally, the 120Hz panel improves motion clarity, which makes it suitable for daily tasks and light gaming. The slim design also fits easily into modern workspaces. Moreover, the monitor uses a quality panel that provides consistent colors and clear details from different viewing angles. Therefore, it supports both productivity and entertainment use. Eye Saver Mode and flicker free technology also help reduce eye strain during long sessions. Furthermore, connectivity is simple and practical with HDMI and VGA inputs for flexible device support. In addition, the monitor is easy to set up and use for home or office environments. Overall, the Samsung 24 inch 120Hz Essential Monitor S3 S32GF is a reliable everyday display. Specifications: 24 inch Full HD display delivers clear and sharp visuals for daily use 120Hz refresh rate provides smoother motion for videos and light gaming Eye Saver Mode and flicker free technology help reduce eye strain Slim and modern design fits easily into home or office setups HDMI and VGA connectivity allow easy connection to multiple devices
Kingston DataTraveler Exodia (DTX) – Reliable, high-speed flash drive featuring a practical, protective cap design. Delivers USB 3.2 Gen 1 performance for quick and effortless file transfers, ideal for everyday use at work, home, or school. ✅ Full Specifications: Model: Kingston DataTraveler Exodia (DTX/64GB) Interface: USB 3.2 Gen 1 (Backward compatible with USB 3.0 and USB 2.0) Read Speed: Standard USB 3.2 Gen 1 transfer speeds Capacity Options: 64GB / 128GB / 256GB. Material: Durable matte plastic casing Design: Lightweight with a protective cap and a large, color-coded keyring loop (Teal for 64GB) Security/Software: Plug-and-play functionality (No software installation required) Compatibility: Windows 11, 10, macOS (v.10.15.x+), Linux (v. 4.4+), Chrome OS Dimensions: Approx. 67.3 x 21.04 x 10.14 mm Weight: Approx. 11 grams
A high-efficiency pre-owned HP EliteBook 865 G9 with 16" display, AMD Ryzen 7 6850U, 16GB RAM, 512GB SSD, and integrated AMD Radeon 680M graphics—ideal for business professionals seeking all-day battery life, strong performance, and enterprise security.
The Samsung Odyssey G5 32″ 180Hz Gaming Monitor takes your gaming experience to a whole new level. Designed for gamers, it delivers stunning visuals and exceptional performance to keep you ahead of the competition. The ultra-fast 180Hz refresh rate ensures buttery-smooth gameplay. Whether you’re playing fast-paced shooters or exploring open-world adventures, the Samsung Odyssey G5 eliminates lag and motion blur for seamless action. Featuring a 1ms response time, the Samsung Odyssey G5 provides ultra-fast reactions, giving you the edge you need in competitive gaming. Every movement and input is captured instantly, making the difference between victory and defeat. The QHD resolution of the Samsung Odyssey G5 delivers stunning clarity and sharpness. With 1.7 times the pixel density of Full HD, you’ll enjoy incredibly detailed graphics and vibrant colors that make your games look their best. AMD FreeSync Premium technology ensures tear-free gaming, synchronizing the refresh rate of your monitor with your GPU for smooth performance. It reduces screen tearing and stuttering for a more fluid gameplay experience. In conclusion, the Samsung Odyssey G5 32″ 180Hz Gaming Monitor offers the perfect combination of speed, clarity, and immersion. Elevate your gaming setup with this high-performance monitor and enjoy an unbeatable experience in every game. Specifications: Display : 32″ IPS Resolution : QHD (2,560 x 1,440) Refresh Rate : 180Hz Response Time : 1ms GTG
The MSI PRO MP251W E2 25″ FHD 120Hz Monitor delivers crisp, clear visuals for work, entertainment, and casual gaming. It uses a Full HD panel that shows sharp detail in movies, documents, and web browsing. The 25-inch size gives enough screen space without overwhelming your desk. This makes it a practical choice for home and office setups. Moreover, the MSI PRO MP251W E2 features a 120 Hz refresh rate. This smoother refresh makes motion cleaner and reduces blur during video playback and light gaming. Fast animations and scrolling look fluid. This improves comfort during long sessions. In addition, the monitor uses an IPS panel with wide 178° viewing angles. Colors remain stable even if you move side to side. The panel supports 99% sRGB coverage for natural and balanced color reproduction. This makes it useful not only for daily tasks, but also for creative work and media editing. Furthermore, the MSI PRO MP251W E2 includes adaptive sync technology to help prevent screen tearing when frame rates fluctuate. It also features anti-glare coating and built-in speakers, making it convenient for multimedia and everyday use. Also, the design is clean and modern. The thin bezels give a neat, minimal look that fits many setups. The stand allows tilt adjustment for ergonomic comfort. The monitor supports VESA mounting if you want wall mount or alternate stand setup. Overall, the MSI PRO MP251W E2 25″ FHD 120Hz Monitor balances simplicity, performance, and versatility. It delivers smooth visuals, color quality, and ease of use in a compact form factor. This monitor is a great pick for everyday computing, office tasks, media, and light gaming. Specifications: Display : 25″ IPS Resolution : FHD 1920×1080 Refresh Rate : 120Hz Response Time : 1ms
Specifications Weight (g) 750 Depth (mm) 500 Width (mm) 140 Height (mm) 190 Input/Output Other Battery Capacity (mAh) 8000 Sound Mode Other Category Speakers Use HOME Input Power (W) <25 W Voice Control No Waterproof No Support APP No Playback Function MP3 Remote Control No Intelligent Personal Assistant None Display Screen Yes Built-in Microphone No Audio Crossover Two-Way Number of Loudspeaker Enclosure 1 Power Source Battery Channels 2 (2.0) Feature Wireless Charger for Mobile Phone Battery Yes Communication Bluetooth Speaker Type Portable Cabinet Material Plastic Brand Name RNABAU Model DB Origin Mainland China Certification CE Type1 Caixa De Som Type2 HiFi Wireless Bluetooth Speaker Type3 Mobile Phone Charger Type4 Alarm Clock Speaker Type5 FM Radio Soundbox Type6 Vintage Bluetooth Speaker Type7 Home Stereo Audio Set
The Moxom MX-ST05 Safety Power Strip combines 4 AC outlets with 8 USB charging ports (6×USB-A + 2×USB-C). It supports up to 2500W / 10A total load and delivers 17W USB fast charging, making it a compact all-in-one power and charging hub for home or office use. ⚡ 12-in-1 Power Hub: 4 AC sockets plus 8 USB ports let you power and charge many devices at once. 🔌 High Power Capacity: Handles up to 10A / 2500W total output for laptops, monitors, chargers, and appliances. 🔋 USB Fast Charging: 6×USB-A + 2×USB-C deliver up to 5V/3.4A (17W max total) for phones, tablets, earbuds, and accessories. 🛡️ Safety Protection: Built-in protection against over-voltage, over-current, overheating, and foreign-object detection. ⏻ Main Power Switch: One-touch on/off button to cut power safely to all connected devices. 🧊 Durable Build: Made from ABS + PC materials for heat resistance and long-term durability. 📏 Long Cable: Comes with about 1.8–2.0m cord for flexible placement.
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
Introducing the Samsung Odyssey G5 27—a collection of monitors designed to redefine your visual experience and meet the demands of modern users. Embark on a journey of visual excellence with cutting-edge features that distinguish the Samsung Monitor Series. From vibrant displays to advanced technologies, these monitors ensure a superior and immersive viewing experience for users. Beneath their sleek and modern exteriors lies a commitment to seamless functionality. The Samsung Monitor Series is crafted to deliver not only stunning visuals but also user-friendly interfaces, making them an essential tool for both work and entertainment. Delve into the seamless integration of advanced technologies, ensuring these monitors adapt effortlessly to the evolving demands of modern content consumption. Whether you’re working on detailed tasks, streaming high-definition content, or gaming, the Samsung Monitor Series caters to diverse needs. Portability may not be the focus, but these monitors excel in providing flexible setups for various environments. With their slim profiles and versatile designs, the Samsung Monitor Series ensures your viewing experience remains top-tier. In conclusion, elevate your viewing experience with the Samsung Odyssey G5 27. Immerse yourself in cutting-edge features, vibrant displays, and sleek designs. Choose the Samsung Monitor Series for a monitor lineup that seamlessly blends advanced technology with visual brilliance. Specifications: Display : 27″ IPS Resolution : 2560×1440 Response Time : 1ms Refresh Rate : 165Mhz Part Number : LS27AG500PMXZN
This 1.8-meter DisplayPort to HDMI cable lets you connect a DisplayPort-enabled PC or laptop to an HDMI monitor, TV, or projector. It delivers clear high-definition video and reliable signal transmission, making it perfect for office work, presentations, and home entertainment. The DisplayPort to HDMI cable (1.8M) is a simple and reliable solution for connecting modern computers and laptops with a DisplayPort output to HDMI displays. Ideal for upgrading your setup, it supports high-quality video output for monitors, HDTVs, and projectors. With plug-and-play functionality and a durable build, it ensures stable performance for both professional and home use. DisplayPort to HDMI Connection for easy compatibility with HDMI screens 1.8M Cable Length ideal for desk and office setups High-Definition Video Output for clear and sharp visuals Plug & Play no drivers required Durable Connectors & Cable Build for long-term reliability Perfect for Work & Entertainment supports monitors, TVs, and projectors Works with devices that have a DisplayPort output and displays with an HDMI input, including monitors, TVs, projectors, and display systems. Ideal for workstations, presentations, and dual-screen setups.
The LG 32GN600-B 32″ Monitor delivers clear and smooth visuals for gaming and everyday use.It features a 32-inch QHD display with sharp details and vibrant colors. Moreover, its high refresh rate ensures fluid motion in fast-paced games and videos. This monitor uses a VA panel for strong contrast and wide viewing angles. Additionally, the fast response time reduces blur and ghosting during competitive gaming. The anti-glare screen helps minimize reflections in bright environments. HDMI and DisplayPort inputs allow easy connection to PCs, laptops, and gaming consoles. Furthermore, tilt adjustment helps you find a comfortable viewing angle for long sessions. Low blue light and flicker-free technologies reduce eye strain during extended use. This display is ideal for gamers, streamers, and home users alike. Therefore, it supports competitive gaming, media streaming, and productivity tasks. Finally, it combines sharp visuals, fast performance, and comfort features for daily use. Specifications: Screen Size: 32″ QHD VA panel Resolution: 2560 × 1440 Refresh Rate: High for smooth motion Ports: HDMI + DisplayPort Features: Anti-glare, low blue light, flicker-free eye care
AOC 27G4X 27-inch 180Hz gaming monitor delivers fast, smooth, and responsive performance for competitive gaming. It focuses on high refresh rate visuals, low response time, and immersive Fast IPS display quality. Additionally, it features a 27-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides sharp image quality and wide viewing angles, so it improves clarity in both games and everyday use. Moreover, it supports a 180Hz refresh rate with up to 0.5ms MPRT response time. As a result, it delivers extremely smooth motion and reduces blur during fast-paced gameplay. The monitor also includes up to 1ms GtG response performance. Therefore, it improves pixel transition speed and helps reduce ghosting in competitive scenes. In addition, it supports Adaptive Sync and G-SYNC compatibility. This reduces screen tearing and stuttering, so gameplay stays stable and fluid. Furthermore, it includes HDR10 support and low input lag gaming modes. These features enhance visual depth and improve responsiveness during gameplay. AOC 27G4X 27-inch 180Hz gaming monitor provides fast performance, smooth motion clarity, and reliable competitive gaming features for FPS and esports players. Check out other option here! Specifications: 27-inch Fast IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gaming performance 0.5ms MPRT response time for reduced motion blur Up to 1ms GtG response for faster pixel transitions Adaptive Sync and G-SYNC compatible for tear-free gameplay
Asus TUF Gaming VG249Q3A 24″ FHD 180Hz Gaming Monitor is a 23.8-inch Fast IPS display built for competitive and smooth gaming. It delivers Full HD resolution with a high refresh rate for responsive gameplay. It also focuses on fast motion clarity and stable visual performance for everyday gaming use. The monitor supports 180Hz refresh rate and 1ms GTG response time for reduced motion blur. It uses Fast IPS technology for wide viewing angles and consistent color performance. It includes AMD FreeSync Premium for smoother gameplay without screen tearing. It also features ASUS Extreme Low Motion Blur (ELMB) to improve clarity in fast scenes. Additionally, it offers 99% sRGB color coverage for accurate color reproduction. It is designed for esports titles, FPS games, and fast-paced competitive environments. Therefore, it helps reduce lag perception and improves visual responsiveness. It also includes features like Shadow Boost to improve visibility in dark areas. In conclusion, Asus TUF Gaming VG249Q3A 24″ FHD 180Hz Gaming Monitor delivers high refresh performance, fast response time, and reliable gaming-focused visual enhancement. Specifications: 23.8-inch Full HD (1920×1080) Fast IPS panel 180Hz refresh rate for smooth competitive gaming 1ms GTG response time for reduced motion blur AMD FreeSync Premium for tear-free gameplay 99% sRGB color gamut for accurate color reproduction
Are you in the market for a gaming monitor that delivers top-notch performance without breaking the bank? Look no further than the MSI Optix MAG272CQR. In this comprehensive review, we’ll explore the features that make this monitor stand out. To start with, the MSI Optix MAG272CQR boasts a stunning 27-inch curved display, providing an immersive gaming experience. The curvature enhances your field of view, pulling you deeper into the game. Equipped with a 2560 x 1440 Quad HD resolution, this monitor delivers crisp and detailed visuals. Dive into your favorite games with clarity and precision, experiencing every detail as the developers intended. The 165Hz refresh rate ensures buttery-smooth gameplay, reducing motion blur for a competitive edge. Combined with a 1ms response time, the MSI Optix MAG272CQR is a stellar choice for fast-paced gaming scenarios. Adaptive Sync technology minimizes screen tearing and stuttering, creating a seamless and enjoyable gaming experience. Whether you’re into FPS, RPG, or MOBA games, this monitor adapts to your playstyle. Connectivity is a breeze with multiple ports, including HDMI and DisplayPort, providing versatility for various devices. The adjustable stand allows you to find the perfect viewing angle, ensuring comfort during those marathon gaming sessions. In summary, the MSI Optix MAG272CQR is a gaming monitor that ticks all the boxes – immersive display, high resolution, fast refresh rate, and adaptive sync technology. Elevate your gaming experience without breaking the bank. Make the smart choice with the MSI Optix MAG272CQR. Specifications: Size : 27″ Curve : 1500R Refresh Rate : 165Hz Response Time : 1ms
The ViewSonic VA24D1-H 24″ FHD 100Hz Monitor delivers smooth and clear visuals for work, gaming, and daily use. It offers Full HD resolution with bright colors. The screen shows sharp details that improve movies, documents, and web browsing. This makes your viewing experience more comfortable. Moreover, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor includes a fast 100Hz refresh rate. This feature reduces motion blur and screen tearing. It makes gaming and fast scenes much smoother. It also improves general tasks like scrolling and tracking movement. In addition, the monitor features HDMI and VGA connections. These ports make setup quick and simple. You can connect laptops, desktops, and media players easily. This gives you strong flexibility for work and entertainment. Furthermore, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor includes important eye-care technology. The flicker-free screen helps reduce eye strain. The blue light filter adds more comfort during long hours. This makes the monitor ideal for study, office work, and long sessions. Also, the slim bezel design gives the monitor a modern and clean look. It fits well in home and office spaces. The thin edges help create smooth multi-monitor setups. This improves both productivity and style. The stand on the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor offers stable support. You can tilt the screen to find a comfortable angle. This helps you maintain a healthy posture. It also improves your overall viewing comfort. Overall, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor offers clarity, smooth motion, and strong comfort. It works well for gaming, streaming, office tasks, and daily use. It is a reliable monitor for users who want simple performance and modern design. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 100Hz Response Time : 5ms
The Asus VP228HE 22″ 60Hz Gaming Monitor is designed for gamers who want smooth visuals and fast response times. It offers a great balance of performance and affordability for casual and competitive players. This gaming monitor features a 22-inch Full HD display with a 1920 x 1080 resolution. The screen delivers sharp visuals with vibrant colors, enhancing your gaming experience. The 60Hz refresh rate ensures smooth motion in fast-paced games. With a 1ms response time, the Asus VP228HE reduces motion blur and ghosting. This makes gameplay more responsive, giving you an advantage in action-packed games. The monitor also includes ASUS GamePlus technology with crosshair and timer functions for better accuracy. The Asus VP228HE 22″ 60Hz Gaming Monitor features ASUS Eye Care technology. It includes a flicker-free display and a blue light filter to reduce eye strain. You can game for longer periods without discomfort. For connectivity, this monitor includes HDMI and VGA ports, making it compatible with gaming consoles, PCs, and laptops. It provides flexibility for different gaming setups. The built-in speakers deliver clear sound, eliminating the need for external speakers. The gaming monitor has a sleek and compact design that fits any setup. It is lightweight and easy to adjust, ensuring comfortable viewing angles. The durable build ensures long-lasting performance. If you need a reliable and affordable gaming monitor, the Asus VP228HE 22″ 60Hz Gaming Monitor is a great choice. It delivers smooth visuals, fast response times, and eye care features for comfortable gaming. Specifications: Display : 22″ TN Resolution : 1920×1080 Refresh Rate : 60Hz Response Rate : 1ms Speaker : 1.5W x2
BATTERY DELL WDX0R for Dell Inspiron 13 15 5000 7000 Series 5570 7579 7378 5567 7573 5565 5379 5378 Latitude 3490 3590 3340 3400 3390 3500 3190 Vostro 5468 5568 P69G 3CRH3 11.4V 42Wh About this item 【Specification】Dell laptop Replacement Battery Type: Li-ion; Voltage: 11.4V; Capacity: 42WH; Cells:3-Cell. (It is not the same as the 4-cell 33YDH 56Wh battery ) !!! Please make sure to choose the battery according to the shape of the original one, as the batteries for different laptop models may vary 【Stability】WDXOR WDX0R Laptop Battery Replacement battery for Dell offers 600+ recharge cycles over life of battery 【COMPATIBLE MODEL】(Check description below for more models) Dell Laptop Battery WDX0R P69G001 3CRH3 FC92N T2JX4 C4HCW Y3F7Y Dell Battery 3-cell 42WH 11.4v Li-on WDX0R Dell Battery Dell Inspiron 15 5570 Battery Inspiron 13-7378 battery Inspiron 15-7579 battery Dell Inspiron 5379 Battery Dell Inspiron 5567 Battery Dell Inspiron 13 7000 Battery Dell Inspiron p69g Battery Dell Inspiron 7573 Battery Dell Latitude 3340 3590 Battery Dell Vostro 5568 5468 Series Battery
Gain the competitive advantage with the Bloody ES7, featuring a high-performance 6000 CPI PixArt Optical Engine. With ultra-fast 1ms click response and customizable 16.8 million color RGB lighting, this mouse is built for gamers who demand precision, speed, and comfort in every match. The A4Tech Bloody ES7 is a professional-grade esports tool designed to translate every hand movement into on-screen action with 1:1 tracking accuracy. Driven by the reliable PixArt Optical Engine, it eliminates “angle snapping” and artificial corrections, ensuring your aim remains raw and precise. Its ergonomic symmetrical shape supports various grip styles, while the anti-sweat matte finish ensures you stay in control even during the most intense gaming sessions. PixArt Optical Engine (6000 CPI): High-precision tracking with 5-level adjustable sensitivity (1000/1200/1600/2000/6000 CPI). Fine-tune your control via software to suit any game genre. Lightning-Fast 1ms Response: Equipped with ahead-of-the-curve technology, the ES7 reacts instantly to your clicks, providing the low-latency performance required for competitive play. Vibrant RGB Lighting: Immerse yourself in your gaming setup with 16.8 million customizable RGB colors and dynamic lighting effects. Customizable “M” Button: The dedicated M button can be programmed via software to execute complex macros or combined functions, putting more power at your fingertips. Extreme Durability: Built to last, the primary buttons are rated for over 10 million clicks, and the high-quality scroll wheel is tested for over 500,000 scrolls. Braided 1.8m Cable: The robust, tangle-free braided cable ensures a stable connection and long-term durability against wear and tear. Sensor: PixArt Optical Engine Resolution: 100 – 6,000 CPI Report Rate: 125 – 1,000 Hz (Adjustable) Key Response: 1 ms Acceleration: 15 g Tracking Speed: 45 ips Frame Speed: 6,000 fps Buttons: 7 Buttons Memory: 256K Onboard Memory Interface: USB Wired (1.8m Cable) System Requirements: Windows 7/8/8.1/10/11 or later Bloody ES7 Esports Gaming Mouse Quick Start Guide
