LG 27HJ710S-W without stand - LED monitor, Display Size 27" IPS + Glass, Aspect Ratio 16:9, Resolution 4K 3840 x 2160 at 60 Hz, Brightness 800 cd/m², Contrast Ratio 1000:1, 1.07 billion colors, Gamut 99% sRGB + Deep Red, Optical Bonding Glass (1.3T), Input Voltage AC 120/230 V (50/60 Hz). The detailed picture quality of the LG surgical monitor meets operating room requirements.