HKC 9812. Display diagonal: 469.9 mm (18.5 "), Response time: 2 ms, Display brightness: 200 cd/m². Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (standby): 1 W. Weight: 2.8 kg. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 0 - 80 %, Operating altitude: 0 - 3048 m. LED indicators: Power