Built-in System Operating System Android 9.0 CPU Quad-core A55 RAM 4 GB ROM 32 GB Function Operating System of External Module Windows 7/8/10; Android WiFi Dual-band 2.4 G/5 G Wi-Fi Hotspot Dual-band 2.4 G/5 G; supports enabling Hotspot and Wi-Fi at the same time LCD Panel Panel Dimensions 65-inch; 75-inch; 86-inch Backlight DLED Aspect Ratio 16:9 Brightness 65-inch: 350 cd/m²; 75-inch: 350 cd/m²; 86-inch: 350 cd/m² Resolution 3840 (H) × 2160 (V) Viewing Angle H: 178°; V: 178° Lifespan 50, 000 hours Refresh Rate 60 Hz Static Contrast 1200:1 Dynamic Contrast 6000:1 Camera Pixel 5MP Auto Control Auto white balance Distortion ≤5% Max. Resolution Android: 1920 × 1080@30 fps OPS: 2560 × 1440@30 fps Field of View H: 79°; V: 51°; D: 88° Device Ports Light Sensor 1 Front Button 1 × power button (right side) Front Ports 1 × USB 3.0 (left side) Network Port 1 × RJ-45 Wi-Fi 1 × Wi-Fi; 1 × Hotspot USB 3 × USB 3.0; 1 × Micro USB RS-232 1 × RS-232 Video Input 1 × HDMI IN Audio Output 1 × 3.5 mm (Line OUT) port Others 1 × Touch IrDA 1 Touchscreen Touch Technology Type Infrared touch technology Response Time 10 ms Touch Points 20 Valid Touch 2 mm Writing Mode Finger + Pen Touch Resolution 32767 × 32767 Number of Multi-user Writing Points 2 Speaker Power Full frequency: 15 W × 2 Built-in Speaker 2 Microphone Pick-up Distance Far-field sound pickup: 6 m–8 m (19.69 ft–26.25 ft) Number of Microphones 2 AGC YES Echo Cancellation YES Polar Pattern Omnidirectional Intelligent Noise Filtering YES General Power Supply 100–240 VAC, 50/60 Hz Power Consumption 65-inch: 250 W; 75-inch: 300 W; 86-inch: 400 W Standby Power Consumption 0.5 W Operating Temperature –10 °C to +45 °C (+14 °F to +113 °F) Storage Temperature –20 °C to +55 °C (–4 °F to +131 °F) Operating Humidity 10%–90% Storage Humidity 10%–90% Product Material Metal casing Glass Anti-dazzle tempered glass with a hardness of 7 on the Mohs scale Glass Thickness 3mm Casing Color (Frame/Rear) Bottom: Silver; top/left/right: black
