LCH75-MC410-B 75 inch Smart Interactive Whiteboard> 4K HD display. > Supports using both Android and Windows (PC module must be installed). > Wireless screen sharing from multiple devices, such as phones, computers, and tablets. > Supports being written on with a stylus. > Supports Office software, and playing videos and audio files. > The startup channels are all customizable. > Wired and wireless network support. > Built-in 5-MP camera.   Specifications: Built-in System Operating System of External Module Android 9.0CPU Quad-core A55CPU Frequency 1.9 GHzGPU  Mali-G31 MP2RAM 4 GBROM 32 GB Function Applicable Operating Systems Windows 7/8/10; AndroidWiFi Dual-band 2.4 Ghz/5 GhzWi-Fi Hotspot Dual-band 2.4 Ghz/5 Ghz; supports enabling hotspot and Wi-Fi at the same time LCD Panel Panel Dimensions 75-inchBacklight DLEDAspect Ratio 16:9Brightness 75-inch: 350 cd/m2Resolution 3840 (H) × 2160 (V) 
UI: 1920 (H) × 1080 (V)Viewing Angle H: 178°; V: 178°Lifespan 50,000 hoursRefresh Rate 60 HzStatic Contrast 1200:1 Camera Pixel 5 MPAuto Control Auto white balanceDistortion ≤ 5%Max. Resolution Android: 1080p@30fps; OPS: 2560 × 1440@30fpsField of View H:84.5°; V: 54.0°; D: 93.1° Device Ports Light Sensor 1Front Button 1 × Power button (right side)Front Ports 1 × USB 3.0 (left side)Network Port 1 × RJ-45Wi-Fi 1 × Wi-Fi; 1 × hotspotUSB 3 × USB 3.0; 1 × Micro USBRS-232 1 × RS-232Video Input 1 × HDMI INAudio Output 1 × 3.5 mm (Line out)Others 1 × TouchIrDA 1Microphone 2 Touchscreen Touch Technology Type IR touch technologyResponse Time < 10 msTouch Points 20Valid Touch 2 mmWriting Mode Finger + Stylus penTouch Resolution 32767 × 32767Number of Multi-user Writing Points 2 Speaker Power Full frequency: 2 × 15 WBuilt-in Speaker 2 Microphone Pick-up Distance Far-field sound pickup: 6 m–8 m (19.69 ft–26.25 ft)Number of Microphones 2AGC YesEcho Cancellation YesPolar Pattern OmnidirectionalIntelligent Noise Filtering YES General Power Supply 100–240 VAC, 50 Hz/60 HzPower Consumption 55-inch: 200 W; 65-inch: 250 W; 75-inch: 300 W; 86-inch: 400 WOperating Temperature 0 °C to +40 °C (32 °F to +104 °F)Storage Temperature –10 °C to +50 °C (–14 °F to +122 °F)Operating Humidity 10%–90% (RH)Storage Humidity 10%–90% (RH)Product Material Metal casingProtective Glass Anti-dazzle tempered glass with a hardness of 7 on the Mohs scaleCasing Color (Frame/Rear) Bottom: Silver; top/left/right: blackProduct Dimensions 75-inch: 1,707. 2 mm × 87.1 mm × 1,050. 1 mm (67.21" × 3.43" × 41.34")75-inch: (with camera): 1,707. 2 mm × 87.1 mm × 1,066. 4 mm (67.21" × 3.43" × 41.98")Frame Size Top: 43.1 mm (1.70"); left/right: 16.1 mm (0.63"); bottom: 67.8 mm (2.67")Packaging Dimensions 75-inch: 1810 mm × 235 mm × 1157 mm (71.26" × 9.25" × 45.55") Net Weight 75-inch: 54 kg (119.10 lb)Gross Weight 75-inch version: 65 kg (143.30 lHoles Distance 75-inch version: 400 mm × 600 mm (15.75" × 23.62")Installation Wall mount, mobile bracketStandby Power Consumption 0.5 W

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