Samsung RH55E 55 SMART Signage Full HD LED Commercial TV w/ Built-in Tuner - LH55RHEPLGA/GO Brightness: 350 cd/m2 Contrast Ratio (Typical): 5000:1 Viewing Angle: 178°(H) / 178°(V) Power Supply: AC 100 - 240 V~ (+/- 10 %), 50/60 Hz Power Consumption: STANDBY: less than 0.5W TYPICAL: 56 W/h MAX: 176 W/h Dimensions without Stand: 48.40 x 28.00 x 2.66 Weight without Stand: 32.18 lbs.