buy Videowall Monitor Optoma 3752RK 4K Ultra HD 75" . The Optoma 3752RK interactive touchscreen stands out as an advanced solution for educational and business environments requiring effective collaboration, full connectivity, and outstanding visual performance. With a 75-inch diagonal and LED IPS panel technology, it delivers 4K Ultra HD resolution (3840 x 2160 pixels) and 400 cd/m² brightness, ensuring precise images, true-to-life colors, and an immersive experience from any angle thanks to 178° horizontal and vertical viewing. This model supports up to 40 simultaneous touch points for use with finger or passive pen, enabling natural writing, annotations, and real-time collaborative drawing, maximizing interactivity in classrooms and meeting rooms. The fast 6 ms response time ensures smooth, lag-free interaction, ideal for creative work or dynamic presentations. For connectivity, it features a wide range of inputs and outputs: 4 HDMI ports (HDMI 2.0), 1 DisplayPort, 8 USB ports (including Type A, B, and C), VGA, Ethernet LAN, plus built-in WiFi for wireless connection with Windows, macOS, Chrome, iOS, and Android devices via CreativeCast Pro, enabling simultaneous multi-user collaboration. It includes 20 W RMS integrated stereo speakers, anti-glare and anti-fingerprint screen for intensive and comfortable use, as well as handwriting recognition and tools like the floating toolbar or cloud-based digital whiteboard. The Android 11 operating system with 4 GB RAM and 32 GB storage, quad-core ARM Cortex-A55 processor, and compatibility with Windows, Mac, and Linux ensure a robust, versatile platform that’s easy to integrate into educational or corporate networks. Includes OPS slot, remote control, stylus, and essential cables, plus remote management features via Optoma Management Suite (OMS) for easy device control and diagnostics. Built for indoor use with VESA mount (800x400 mm), the Optoma 3752RK ensures durability (estimated 50,000-hour lifespan) and maximum safety with its hardened surface (7H hardness), as well as advanced features like ambient light sensor, low standby power, and hybrid learning compatibility. In summary, it is a reliable, superior choice to foster collaboration, interactive learning, and effective presentations in professional or educational settings. Type: InteractiveInteractive Touch ScreenCharacteristics: TouchscreenIntegrated speakersUniversalInstallation guide included2 SpeakersShine: 450 cd/m²Technology: IPSLEDD-LEDFrequency: 60 Hz50 - 60 HzScreen: 75"Diagonal of the screen (cm): 190,5 cmResolution: 4K Ultra HDAspect ratio: 16:9Colour: BlackOperating System: Android 11Power: 20 WInternal Memory: 4 GB32 GBConnections: HDMI 2.0Ethernet LANHDMIUSBRJ45Jack 3.5 mmUSB 3.2USB-C 3.2 Gen 1 (3.1 Gen 1)DisplayPort x 1HDMI x 4Response Time: 6 msConnectivity: Wi-FiAssembly: Wall mountingVESAInterface: EthernetBatteries included: YesAudio Output: YesCompatible: LinuxVESA 800 x 400 mmIncludes: Remote controlTouch penVoltage: 100 - 240 VLuminous flux: 400 lmAngle: 178ºAC input voltage: 100 - 240 VResolution (px): 3840 x 2160 px