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.
The ViewSonic 23″ 60Hz Monitor is perfect for work, gaming, and entertainment. With its clear and vibrant display, you can enjoy all your favorite activities with stunning visuals. This monitor features a Full HD resolution of 1920×1080 pixels, ensuring sharp and detailed images. Whether you’re editing photos, watching movies, or browsing the web, the ViewSonic 23″ 60Hz Monitor delivers an impressive visual experience. With a 60Hz refresh rate, the ViewSonic 23″ Monitor provides smooth and fluid motion. This makes it ideal for gaming and fast-paced videos, reducing blur and ensuring you don’t miss any action. The ViewSonic 23″ 60Hz Monitor has a slim and sleek design that fits perfectly on any desk. Its narrow bezel adds to its modern look and allows for a more immersive viewing experience. Featuring multiple connectivity options, including HDMI and VGA ports, the ViewSonic 23″ 60Hz Monitor is compatible with a variety of devices. This makes it easy to connect your computer, gaming console, or other multimedia devices. Designed with user comfort in mind, the ViewSonic 23″ 60Hz Monitor includes a flicker-free display and blue light filter. These features help reduce eye strain during extended use, allowing you to work or play for longer periods comfortably. In conclusion, the ViewSonic 23″ 60Hz Monitor offers excellent performance, vibrant visuals, and user-friendly features. Upgrade to this monitor today and enjoy a superior viewing experience for all your needs. Specifications: Display : 23″ IPS Resolution : FHD 1920 x 1080 Refresh Rate : 60Hz Response Rate : 6ms GTG
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
The Royal Kludge RK61 is an ultra-compact 60% mechanical gaming keyboard featuring brilliant RGB backlighting and smooth, linear RK Red switches. Equipped with versatile triple-mode connectivity (Bluetooth, 2.4GHz wireless, and USB-C wired), it offers maximum flexibility and a clean, cable-free desktop layout optimized for both competitive gaming and office productivity. ✅ Full Specifications: Model: Royal Kludge RK61 (61 Keys) — Black Edition Interface / Connection: Triple Mode Connection (3C): Wireless 2.4GHz (via included USB dongle) Bluetooth 5.1 (Pairs with up to 3 devices simultaneously) Wired USB Type-C (Detachable cable included) Interface / Connection: Triple Mode Connection (3C): Wireless 2.4GHz (via included USB dongle) Bluetooth 5.1 (Pairs with up to 3 devices simultaneously) Wired USB Type-C (Detachable cable included) Switch Type: RK Red Mechanical Switches (Linear feel, smooth and quiet keystrokes, ideal for fast-paced gaming and quiet office typing) Hot-Swappable PCB: Yes (Supports easy replacement of 3-pin or 5-pin switches without soldering) Layout: Compact 60% Minimalism Layout, 61 Keys (US QWERTY / Arabic-English dual print variants supported) Backlighting: Full dynamic RGB Backlight with 18 customizable lighting modes, 8 monochrome modes, and adjustable brightness/speed Material & Build: Durable ABS polymer housing with high-quality ergonomically curved keycaps to reduce hand fatigue Design & Form Factor: Compact, space-saving design with a built-in 8° ergonomic typing angle for optimal comfort Battery Capacity: 1450mAh rechargeable battery built-in (Up to 13 hours of continuous use with backlighting active, high standby efficiency) Compatibility: Windows, macOS, Android, iOS, Linux, and major gaming consoles Dimensions: Approx. 289 x 103 x 39 mm (11.4 x 4 x 1.6 inches) Weight: Approx. 0.50 kg (1.1 lbs)
Are you seeking a versatile solution for your presentation and collaboration needs? Look no further than the BenQ RE03A 75″ Board Essential. This cutting-edge interactive whiteboard redefines productivity and engagement in meeting rooms and classrooms alike. With its expansive 75-inch display, the BenQ RE03A offers ample space for showcasing your ideas and content. Whether you’re delivering a presentation, brainstorming with colleagues, or teaching a class, this interactive board provides a captivating canvas for your creativity. Transitioning to functionality, the BenQ RE03A boasts intuitive touch controls that make navigation and interaction effortless. Its responsive touch technology ensures smooth and precise input, allowing you to annotate, draw, and manipulate content with ease. Furthermore, the board’s seamless connectivity options enable seamless integration with your existing devices and software. Whether you’re using a laptop, tablet, or smartphone, the BenQ RE03A ensures compatibility and flexibility for all your presentation needs. In addition, collaboration features such as screen sharing and real-time annotation foster teamwork and idea exchange among participants. Break down communication barriers and enhance productivity with the BenQ RE03A’s collaborative tools. Moreover, the board’s durable construction and anti-glare surface ensure reliability and visibility even in brightly lit environments. Say goodbye to distractions and glare, and hello to clear, crisp visuals every time. In conclusion, the BenQ RE03A 75″ Board Essential is a game-changer for presentations and collaboration. With its large display, intuitive controls, and collaborative features, it empowers users to deliver impactful presentations and foster teamwork like never before. Upgrade your meeting room or classroom with the BenQ RE03A and unlock new possibilities for productivity and engagement. Specifications: Screen Size : 75″ Panel Type : IPS Resolution : UHD 3840×2160 Response Time : 8ms
slim, lightweight, and powerful—the Lenovo ThinkPad T490s combines 8th Gen Intel Core i5 performance, 8GB ,16GB RAM, and a fast 256GB SSD in a premium, portable chassis built for mobile professionals.
WiWU Vivid Laptop Bag – Durable waterproof case with faux-fur lining and two compartments, available in both 14″ and 15.6″ sizes.Stylish, lightweight, and well-padded—perfect for daily professional or student use. Model: WiWU Vivid Laptop Handbag Material: Water-resistant polyester exterior, soft faux-fur lining interior Sizes: 14″ version: fits up to 14-inch laptops 15.6″ version: fits standard 15.6-inch laptops Sizes: 14″ version: fits up to 14-inch laptops 15.6″ version: fits standard 15.6-inch laptops Protection: Shock-resistant padded compartment, anti-scratch lining Storage: Main laptop compartment Zippered front pocket for charger, cables, mouse, or tablet Storage: Main laptop compartment Zippered front pocket for charger, cables, mouse, or tablet Carrying Options: Comfortable padded handles + optional adjustable shoulder strap Design: Lightweight and slim profile with minimalist look; available in multiple colors Weight: Approx. 365 g (14″), approx. 420 g (15.6″) Use Case: Designed for work, school, commuting, or travel
AOC 24G11E 24-inch 180Hz gaming monitor delivers fast and responsive performance for competitive gaming. It focuses on high refresh rate, low response time, and smooth visuals for everyday gameplay. Additionally, it features a 23.8-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides clear visuals and wide viewing angles, so it improves both gaming and general use. Moreover, the monitor supports a 180Hz refresh rate with 0.5ms MPRT response time. As a result, it delivers smooth motion and reduces blur during fast-paced action. The display includes Adaptive Sync technology. Therefore, it reduces screen tearing and stuttering for a more stable gaming experience. In addition, it supports HDR10 and Low Input Lag mode. These features improve visual depth and responsiveness during gameplay. Furthermore, the monitor uses a 3-sided frameless design with HDMI 2.0 and DisplayPort 1.4 connectivity. This setup supports modern PCs and multi-monitor configurations. AOC 24G11E 24-inch 180Hz gaming monitor provides smooth performance, fast response, and essential gaming features for competitive and casual players. Specifications: 23.8-inch Fast IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gameplay 0.5ms MPRT response time for reduced motion blur Adaptive Sync support for tear-free performance HDMI 2.0 and DisplayPort 1.4 connectivity
C21N1509 Laptop Battery Replacement for Asus Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF(7.6V 38Wh) About this item Battery Type: Li-ion Voltage: 7.6V Capacity:38Wh Compatible Part Number: C21N1509 C21N15WZ C21PQ9H 0B200-01750000 Fits Model:Asus Vivobook X556 X556U X556UA X556UB X556UF X556UJ X556UQ X556UR X556UV K556 K556U K556UA K556UB K556UF K556UJ K556UQ K556UR K556UV F556U F556UA F556UB F556UF F556UJ F556UQ F556UR F556UV A556U A556UA A556UB A556UF A556UJ A556UQ A556UR A556UV Series New from Manufacturer. CE-/FCC-/RoHS-Certified for safety.
The Cudy WR1300 AC1200 Router delivers fast and stable internet with dual-band WiFi speeds up to 1200Mbps. Designed for home and office use, it features Gigabit ports for high-speed wired connections and reliable coverage for streaming, gaming, and everyday browsing. AC1200 Dual Band WiFi – Combined speeds of up to 1200Mbps (300Mbps on 2.4GHz + 867Mbps on 5GHz) for smooth streaming and online gaming. Gigabit Ethernet Ports – Ultra-fast LAN/WAN ports ensure maximum wired performance for PCs, consoles, and smart TVs. Wide Coverage – Equipped with high-gain antennas to provide strong and stable WiFi signal throughout your home or office. Multiple Operating Modes – Supports Router, Access Point, and Repeater modes for flexible network setup. Easy Setup & Management – Simple web interface for quick installation and control. Secure Connection – Advanced wireless security with WPA/WPA2 encryption to keep your network safe. 1 × Gigabit WAN Port 4 × Gigabit LAN Ports Wi-Fi 2.4GHz & 5GHz Dual Band Ethernet (RJ45) Wireless Security (WPA/WPA2)
The LG UltraFine 27″ 4K UHD IPS LED Monitor offers stunning picture quality with vibrant colors and sharp details. It is perfect for professionals and creatives who need accurate visuals. With 4K UHD resolution (3840 x 2160), this monitor delivers four times the detail of Full HD screens. The IPS technology ensures wide viewing angles, making images look great from any position. This LG UltraFine 27-inch monitor supports 99% of the sRGB color gamut, providing true-to-life colors. It is ideal for photo editing, video production, and graphic design. The USB-C and DisplayPort connectivity make it easy to connect to laptops, desktops, and other devices. With USB-C charging, you can power your laptop while using the monitor, reducing cable clutter. The LG UltraFine 27″ 4K UHD IPS LED Monitor features a sleek, modern design that fits any workspace. Its adjustable stand allows you to tilt and change the height for comfortable viewing. The anti-glare screen reduces reflections, making it easier to work in bright environments. The 5ms response time ensures smooth visuals, perfect for fast-moving content. This 4K UHD monitor is also great for entertainment. Enjoy watching movies, streaming videos, or playing games with crystal-clear detail. The HDR10 support enhances brightness and contrast for a more immersive experience. The built-in speakers provide decent audio, so you don’t always need external speakers. With Flicker-Free technology and a Blue Light filter, this LG UltraFine monitor reduces eye strain, making it ideal for long work sessions. The VESA compatibility allows for easy wall mounting or monitor arm installation. Whether you are a creative professional or a multitasker, this monitor boosts productivity and enhances visual experience. Specifications: Display : 27″ IPS Resolution : 3840 x 2160 Refresh Rate : 60Hz Response Rate : 5ms
Meetion Usb Computer 2.4GHz Wireless Mouse, Black | R545 Meetion Usb Computer 2.4GHz Wireless Mouse, Black | R545 Comfortable grip feeling. Stable Wireless. 2.4g wireless transmission technology effective working distance up to 10M. Automatic sleep power saving. AA test battery included.
The Samsung Odyssey G8 32″ 240 Hz OLED Gaming Monitor delivers unmatched gaming performance and stunning visuals. It features a 32‑inch OLED display for deep blacks and vibrant colors. Moreover, the Samsung Odyssey G8 32″ 240 Hz OLED Gaming Monitor supports ultra‑fast 240 Hz refresh rate. It ensures ultra‑smooth gameplay and fewer motion artifacts during fast action. Also, the monitor boasts just 0.03 ms response time for minimal blur. In addition, this gaming monitor uses HDR to boost contrast and brightness. Plus, its OLED panel offers wide viewing angles and consistent color from any position. Furthermore, adaptive sync technology keeps frame rates smooth with FreeSync or G‑SYNC. Therefore, gamers experience tear‑free visuals even under heavy load. It includes DisplayPort and multiple HDMI 2.1 ports for high bandwidth input. Also, USB ports and a built‑in USB hub simplify peripheral connections. Moreover, the monitor supports customizable RGB lighting on its stand and rear. Then, ergonomic stand adjusts height, tilt, and swivel for comfortable viewing angles. Also, low‑blue‑light and flicker‑free modes reduce eye strain during long gaming sessions. Furthermore, the sleek, curved display blends well with modern gaming setups. In addition, its slim bezels help create immersive multi‑monitor environments. Because of OLED quality, contrast ratio is effectively infinite for deep image depth. Meanwhile, factory calibration ensures accurate colors right from setup. Also, power consumption remains efficient even in intense HDR modes. Besides that, thermal design keeps the monitor cool and reliable. Thus, you get long‑lasting performance without overheating. With strong build quality, the monitor offers durable daily use. It works perfectly for high‑frame‑rate gaming, fast‑paced esports, and vivid content. Finally, the Samsung Odyssey G8 32″ 240 Hz OLED Gaming Monitor combines speed, clarity, and design. Overall, it stands as a premium choice for competitive and immersive gamers. Specifications: Display : 32″ Resolution : OLED (3,840 x 2,160) Refresh Rate : 240Hz Response Rate : 0.03ms GTG
The MSI PRO MP251L E2 monitor delivers reliable performance for daily work and home use. It features a 24.5-inch Full HD display that provides clear visuals and consistent color quality. Therefore, users can handle tasks like browsing, office work, and media viewing with ease. Moreover, the 120Hz refresh rate improves screen smoothness during scrolling and light gaming. This creates a more comfortable viewing experience over long periods. In addition, the IPS panel ensures wide viewing angles and stable color reproduction from different positions. Furthermore, the monitor supports eye care features that help reduce strain during extended use. This makes it suitable for professionals and students alike. As a result, users can stay productive while maintaining visual comfort throughout the day. The design also focuses on simplicity and efficiency. It includes essential connectivity options for easy setup with various devices. Consequently, the MSI PRO MP251L E2 monitor offers a balanced combination of performance, comfort, and usability. MSI PRO MP251L E2 monitor is a practical choice for users who need smooth visuals and dependable display quality. Specifications: 24.5-inch Full HD (1920 × 1080) IPS display 120Hz refresh rate for smoother visuals Wide viewing angles with consistent colors Eye care technology for reduced strain Multiple connectivity options for easy setup
The ASUS VA249HG 24″ FHD Eye Care Monitor offers clear and sharp Full HD visuals. It provides bright colors and strong contrast. This makes movies, work, and daily tasks look clean and detailed. The 24-inch screen size is perfect for desks and small spaces. Moreover, the ASUS VA249HG 24″ FHD Eye Care Monitor includes a fast 75Hz refresh rate. This improves motion and reduces blur. It gives smoother movement during games and videos. This helps you enjoy a better viewing experience. In addition, the monitor features Adaptive Sync support. This reduces tearing and stuttering during fast action. Your screen stays smooth and steady. This makes it ideal for gamers and casual users. Furthermore, the ASUS VA249HG 24″ FHD Eye Care Monitor includes ASUS Eye Care technology. It reduces blue light and screen flicker. This helps protect your eyes during long hours of use. You can work, watch, or study more comfortably. Also, the monitor uses a VA panel for deep colors. It shows richer blacks and strong contrast levels. This improves the quality of movies and photos. It also works well for everyday design tasks. The clean and modern design of the ASUS VA249HG 24″ FHD Eye Care Monitor fits any workspace. The stand is stable and simple to adjust. You can tilt the screen for better comfort. This helps you find your ideal viewing angle. Overall, the ASUS VA249HG 24″ FHD Eye Care Monitor offers smooth performance, eye protection, and strong image quality. It is a great choice for home, office, and gaming use. It provides comfort, clarity, and value in one dependable display. Specifications: Display : 24″ IPS Resolution : FHD Refresh Rate : 120Hz Response Time : 1ms Model : 90LM02W0-B01171
Features: Advanced bluetooth Chip (V5.4): Enjoy seamless and robust connectivity with the latest bluetooth 5.4 technology, providing stable and efficient wireless performance. Superior Sound Quality: Experience immersive HiFi audio with powerful bass and clarity, courtesy of dual 52mm drivers paired with a bass diaphragm designed to deliver exceptional sound. Vibrant RGB Light Display: Half of the speaker surface displays dynamic and colorful RGB lights, creating a visually captivating experience that enhances your music enjoyment. Extended Battery Life: Benefits from extensive playtime powered by a 3000mAh battery, with up to 4 hours of continuous playback and an impressive 180 days of standby time. TWS Pairing: Effortlessly pair two speakers to achieve a rich, enveloping stereo sound that transforms any space into a lively audio environment. Multiple Playback Modes: Versatility at its best with multiple playback options, including FM radio, AUX input, TF card, and USB playback, ensuring you have endless ways to enjoy your favorite tunes.
MacBook Pro 13″ Keyboard Replacement/Compatible for Apple MacBook Pro A1708 Color :- Black, Layout :- US Apple MacBook Pro A1708 Keyboard is a high quality replacement keyboard which is perfect for replacing your old and broken laptop keyboard. Before you order,Please firstly compare the picture with your keyboard, especially the ribbon cable (position, length and width). Make sure that the model of laptop and part number of keyboard is the right one you need as well as the layout version.
BenQ RE8604 86” 4K UHD Interactive Flat Panel is a large interactive display designed for classrooms, meeting rooms, and training environments. It supports touch interaction, built-in Android system, and 4K resolution for collaboration and presentations. It features an 86-inch IPS panel with 3840 × 2160 4K UHD resolution. Therefore, it delivers sharp visuals and wide viewing angles for group use. In addition, it supports up to 40-point multi-touch input for writing and collaboration. Moreover, it runs an Android-based system (EDLA-supported depending on configuration). As a result, users can open apps, use whiteboard tools, and present content directly on the display without an external PC. The display includes anti-glare glass. Therefore, it remains readable in bright environments. In addition, it supports 4K 60Hz output for smooth visuals during presentations and video playback. Furthermore, it includes HDMI, USB, USB-C, LAN, and OPS slot connectivity. As a result, it works with laptops, external PCs, and modular computing systems. It also includes built-in speakers for classroom and meeting audio. Therefore, it supports presentations without extra sound systems. Finally, the BenQ RE8604 delivers a large 4K interactive workspace with multi-touch control and flexible connectivity for education and business use. Specifications: Display: 86-inch IPS panel with 3840×2160 4K UHD resolution Touch: Up to 40-point multi-touch support for collaboration System: Android-based interactive platform (EDLA support depending on model) Connectivity: HDMI, USB, USB-C, LAN, and OPS slot Display: Anti-glare screen with 4K 60Hz smooth output
Are you in search of the ultimate gaming monitor for an immersive experience? Look no further than the BenQ Mobiuz 27″ 4K 144Hz Gaming Monitor. With its stunning display and advanced features, it’s a game-changer. Firstly, let’s talk about the visual brilliance. This monitor boasts a 4K resolution, delivering crisp and clear images that bring games to life. Whether you’re exploring vast landscapes or engaging in intense firefights, every detail is rendered with precision. The 144Hz refresh rate ensures buttery-smooth gameplay, eliminating motion blur and ghosting for a seamless experience. Say goodbye to lag and hello to responsiveness like never before. Experience true-to-life colors with the monitor’s HDRi technology. It enhances contrast and clarity, making colors pop with vibrancy. Get ready to dive into games with stunning visuals that rival real life. Immerse yourself in the action with the monitor’s integrated speakers. With rich, immersive sound, you’ll feel like you’re right in the middle of the game. Say goodbye to external speakers cluttering your desk. Enhance your gaming experience further with customizable features. From adjustable height and tilt to built-in eye-care technology, this monitor is designed with the gamer in mind. Stay comfortable during extended gaming sessions without sacrificing performance. In conclusion, the BenQ Mobiuz 27″ 4K 144Hz Gaming Monitor is a powerhouse that takes your gaming to the next level. With its stunning visuals, smooth gameplay, and ergonomic design, it’s a must-have for any serious gamer. Upgrade your setup today and elevate your gaming experience. Specifications: Display : 27″ IPS Resolution : 4K(3840×2160) Refresh Rate : 144hz Response Rate : 1 ms
View Sonic VA2215-H 22” Full HD Monitor Eyecare technology for comfortable viewing Eco-mode for low energy consumption ViewMode color rendering options 75Hz FreeSync to eliminate screen tearing and reduce stuttering HDMI and VGA inputs for connectivity
