EWB-75 75”

Electronic White Board 75” Display LCD Size  75" LCD Brand BOE Backlight Type D-LED Resolution 3840x2160(pixels) Brightness 350cd/m²(min.) 400cd/m²(typ.) Contrast Ratio 1200:1(typ.) Response Time 8ms (typ.) Pixel Pitch (mm) 0.4296(H)x0.4296(V) Refreshing Frequency 60Hz Viewing Angle 178°(H) / 178°(V) Life Time 30,000 hrs Color Gamut (X% NTSC) 72% View Area (mm) 1649.664(H)x927.936(V) Display Colors 1.07G(10Bit+FRC) Electrical Chipset MT9666 Architecture CA55 Core Quad Core Working Frequency 1.2~1.53GHz RAM 4GB DDR4 ROM Standard：16GB Optional：32GB OS Android 11 Power Requirements 100-240V AC ,50/60Hz 200-240V AC,50/60Hz Power Consumption(Without OPS) 300W Standby Condition <0.5W Audio Output Power 2*15W@8Ω OPS Power DC 18V/5A Interface TV IN TV-IN 2.0 *3 DP IN(Optional) DP1.2a *1 TV OUT(Optional) TV-OUT 2.0*1 USB2.0 Type-A *1 USB3.0 Type-A *3 Touch-USB Type-B Touch interface TV-OUT 1 *1 Touch-USB Type-B Touch interface TV-OUT 2 *1 LAN 10M/100M/1000M RJ45 *2 MIC IN Φ3.5mm *1 Audio Output Φ3.5mm *1 RS232 IN DB9 *1 SPDIF OUT Mas speed 16Mbps *1 Type-C Power out 15W *1 WI-FI & BT Frequency 2.4G/5G Standard 802.11a/b/g/n/ac Bluetooth 2.1+EDR4.2 Touch sensing Type Infrared Touch Frame Surface Protection 3.2mm Toughened Glass Infrared Touch 40 Points Interpolation Resolution 32768*32768 Touch Accuracy ±1mm Response Time <8ms Output Mode HID Standard Theory Clicks Unlimited Minimum Touch Object Single Touch >1.6mm Multiple >2mm Connect Type USB2.0 Full Speed Voltage DC+5V±5% Power Consumption <2W Structure Product Size 1716.5mmx86.9mmx1031.8mm Package Size 1860mm×185mm×1125mm Housing Metal plate VESA 4-M8 Screw Hole 800mm*600mm Accessories Configuration Accessories Quantity Touch Pen *2 3m Power Cord *1 Wall Mount *1