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75'' UHD Smart Interactive Whiteboard
Features
> 75-inch 4K DLED display with Zero Air Gap technology that delivers a clear image in sharp, vivid colors.
> Built-in 8-MP camera and microphone array that produces excellent quality visual and audio communication.
> Wireless screen sharing from multiple devices with an intuitive, easy-to-use system.
> Pressure and tilt sensitive stylus designed for a smooth, natural writing experience.
> Quick file sharing by scanning a QR code, with easy file encryption for added privacy and security
> Optional OPS module, dual-system switchable.
> Fingerprint lock for protection of user information.
Specifications
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      Operating System: Android 8.0 CPU: Dual-core A53 + dual-core A73 CPU Frequency : 1.5 GHz GPU: Mali-G51 RAM: 4 GB ROM: 32 GB 
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      Panel Dimensions: 65-inch; 75-inch; 86-inch Brightness: 65-inch: 350 cd/m²; 75-inch: 400 cd/m²; 86-inch: 400 cd/m² Contrast: 1200: 1 Resolution: 3840 (H ) × 2160 (V) Aspect Ratio: 16: 9 Backlight: DLED Lifespan: 30,000 hours Viewing Angle: H: 178°; V: 178° 
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      Touch Technology Type: Infrared touch technology Touch Points: 20 Writing Mode: Finger + Pen Response Time: <10 ms Valid Touch: 2 mm Communication Mode: USB 
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      Pixel: 8 MP (live view) Auto Control: Auto white balance Distortion: ≤5% Max. Resolution: 4K@30 fps Field of View: H: 104°; V: 70.2°; D: 112.7° 
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      Built-in Speaker: 3 Power: Full frequency: 15 W × 2; bass: 15 W × 1 
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      Pick-up Distance: Far-field sound pickup: 6 m–8 m (19.69 ft–26.25 ft) Number of Microphones: 8 AGC: Yes Echo Cancellation: Yes Intelligent Noise Filtering: Yes Polar Pattern: Omnidirectional 
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      Power Supply: 100–240 VAC, 50/60 Hz Power Consumption: 65-inch: 150 W; 75-inch: 300 W; 86-inch: 400 W Product Dimensions: 65-inch: 1,504.5 mm × 952.5 mm × 86.1 mm (59.23" × 37.5" × 3.39"); 75-inch: 1,715.5 mm × 1,066.7 mm × 85.4 mm (67.54" × 42.00" × 3.36"); 86-inch: 1,960.8 mm × 1,204.7 mm × 85.4 mm (77.20" × 47.43" × 3.36") Packaging Dimensions: 65-inch: 1,660 mm × 1,045 mm × 245 mm (65.35" × 41.14" × 9.65") 75-inch: 1,880 mm × 1,160 mm × 280 mm (74.02" × 45.67"" × 11.02") 86-inch: 2,140 mm × 1,340 mm × 280 mm (84.25" × 52.76" × 11.02") 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 Casing Color (Frame/Rear) Bottom: Space gray; top/left/right: black Net Weight: 65-inch: 44 kg (97.00 lb) 75-inch: 54 kg (119.05 lb) 86-inch: 66.75 kg (147.16 lb) Gross Weight: 65-inch: 56 kg (123.46 lb) 75-inch: 71.5 kg (157.63 lb) 86-inch: 87.05 kg (191.91 lb) Installation: Wall mount; floor-standing 
