... kHz \ 60-75 HzPower Supply TypeExternal AC to DC power brickMonitor input: +12VDC ±5%,4.0 A; DC ... Jack (2.5)AC to DC power brick input: 100-240 VAC, 50/60 HzPower dissipation ... : 30W max On-screen display(OSD)Controls(back):Power,Menu,Up,Down,Auto;Settings: contrast, brightness, H ... : 3.5 kgWarranty Monitor3 years(Except for LCD panel 1 year)Backlight lamp life: typical 10,000 hours to ...