... Cable is optional).2.Power Cord (US, EU or UK type) 3.Power Brick 4.User Manual (English only)Specifications ... 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: 48W max On-screen display(OSD)Controls(back):Power,Menu,Up,Down,Auto;Settings: contrast, brightness, H ...