... Powered Monitor 2.No DC Power ,No VGA Input 3.Power Consumptio 4.Support OS:Windows 2000 SP4/XP SP2/Vista ... Conference,Instant Messaging,News,Photo Frame and Stock Casting. NOT DC power, just USB PoweredNOT VGA input, just USB Input Specifications : Model ... Resolution800x 480Brightness350 cd/ m²Contrast250:1Aspect Ratio16:9Input PowerUSB (DC 5V )Power Consumption 2W-4.5W Dimension(WHD) 188×123×23.5mm ...