75” Advanced Interactive Display (with optional plug-in camera) SMART Tools for collaboration: supported Video Conferencing, Drawing and content recognition, Split Screen, Wireless Casting. https://www.hisense-b2b.com/en/75-advanced-interactive-display-with-optional-plug-in-camera Display Size: 75’’ Backlight: D-LED Resolution: 3840 x 2160 Brightness: 370cd/m²(typ.) Contrast ratio: 250,000:1 Response Time: 8ms Viewing angle: 178°(H) / 178°(V) Lifetime: 50,000hrs Color Gamut: 85% Display Colours: 1.07B(10bit) OS: Android 8.0 Speakers: Audio Output Power: 2x15W/8Ω Connectivity: Wireless: WI-FI IEEE 802.11a/b/g/n/ac (2x2) (2.4G and 5G), Bluetooth BT5.1 Input: HDMI IN x 2, DP IN x 1, OPS(optional) x1, LAN x 1, USB x 4 (1 for Camera), Type-C x 1, Touch x 1, RS232 IN x 1, Output: HDMI OUT x 1, S/PDIF OUT x 1, Audio OUT x1 Sensing Type: Infrared Touch Frame Surface Protection: 4mm Anti-Glare Glass Infrared Touch: ≤20 points Touch Accuracy: 90%(±1mm) Response Time: ≤8ms Minimum Touch Object: ≥2mm Housing Color: Black Product Size (W x H x D): 1718 x 1040 x 102mm Net Weight: 47.5kg VESA: 600x400mm, 4-M8 screw Set composition: Stylus Pen x 2, Remote control with battery, Wireless Cast x 1, Wall Mount Bracket x 1 Optional (not included): Conference USB Plugable 4K Camera (HMC1AE), Mobile Cart (MC086C), Wireless Screen Transmiter (HT002A), OPS Kit (S02BDS7AA21E)