Interactive display panel backlight: d-led resolution: 3840 x 2160 brightness: 350cd/m contrast ratio: 1200:1 response time: 8ms refreshing frequency: 60hz viewing angle: 178°(h) / 178°(v) lifetime: 50,000hrs color gamut: 72% display colours: 1.07b(10bit) system os: android 13.0 touch sensing type: infrared touch frame surface protection: anti-glare glass infrared touch: ≤20 points product size (w x h x d): 1488 × 899.5 x 122 mm / 58.6 × 35.4 x 4.8 inch speaker built in speaker: 2x15w+20w connectivity wi-fi: ieee 802.11(2.4g and 5g), bluetooth: bt5.1 nfc: yes input: hdmi(2.0) in x3, ops (optional) x1, lan x1 (1000baset r), usb3.0 x3, type-c x1 (support pd 65w), touch x1, audio in x1, rs-232 in x1(rj45) output: rs232 out x1 (rj45), hdmi out x1, s/pdif out x1, audio out x1 camera: yes