NEC 55??????????????????????? m Series Panel ideal for 24/7 operation. IPS panel technology, 3840 x 2160 native resolution, 0.315mm pixel pitch, 500nit 1,100:1 contrast, 1,210 x 680 active screen, video inputs include HDMI x 2, DP x 1, External control include RS-232, Ethernet, IR & CEC, 10W Stereo Internal Speakers, Power Consumption (Typical/ Standby in Watts) is 1100/ <0.5, Bezel Width (L/R & T/B in mm) 12.5/12.5/12.0/15.6, Dimensions Without Stand (W x H x D) is 1,240 x 713 x 61, 26KG, Vesa Hole Spacing/ No of holes is 300 x 300/ 4. Recommended for 24/7 applications. 500nits brightness and High Haze Display. Landscape or Portrait use. Built-in Media Player plus SDM-S/L and RPi CM4 expansion slots. Full commercial feature set and controls.