Information: model: 100u7k factory: qingdao display technology: lcd / led lit screen size: 100 inches (254 cm) resolution: 3840 x 2160 (4k uhd) smooth motion rate: 240 quantum dot technology contrast ratio: 5000:1 viewing angle: 178° (horizontal/vertical) hdr support: hdr10, hdr10+, dolby vision, hlg connectivity hdmi ports: 4 (hdmi 2.1 compliant on hdmi 3 & 4) earc support:(via hdmi 3) usb ports: 1 x usb 3.0, 1 x usb 2.0 wi-fi: 802.11 a/b/g/n/ac, dual band (2.4/5.0 ghz) bluetooth 5.0 ethernet port operating system: vidaa u7 voice command screen mirroring: anyview cast freeview plus (hbbtv 2.0) sound modes: standard, theatre, music, speech, late night, sports audio enhancement: dolby atmos dimensions with stand (w x h x d): 2235 x 1318 x 500 mm ac100~240v, 50hz/60hz standby consumption: < 0.5w vesa compliance:600 x 400 mm warranty 1 year