About this item {Bright and Wide Display}- BOE 4K (3840x2160) Panel| 77 x 45 Inch Display Area| Brightness 350 cd/m2| Contrast Ratio 5000:1| Aspect Ratio 16:9|D-LED Backlight| Lamp Life >50,000 Hrs| 8mm Physical Tempred Grade 7 Explosion proof Glass {Smooth & Fast Touch Pane}l- 20-40 Touch Points on Android & Windows| Less than 3mm non-transparent object| IR Touch Technology Touch {Accessories}- Remote, Power Cable, Touch Pen-2, Wi-Fi/4G Antenna, Wall Mount Stand {Special Feautres}- Full Fucntion Type C port| Display Port|HDMI In and Out| Zero Air Gap Bonding Technology| 8K Video Decoding {Warranty}- 3 Years Onsite warranty provided by the Brand (Tonzo). For more information please visit our company\'s website.