NOT DC power, just USB Powered
NOT VGA input, just USB Input
One USB cable does it all, USB connected cable for Power supply, Video input, Signal.
With touch screen control
Innovation USB connection---add multi-monitor for multitasking purposes,
for example, add 6 monitors to do six tasks simultaneously, it called computer extend screen display.
It can be used as an additional LCD screen for Windows OS based PC, Just simply plugging in a USB cable.
7 inch Portable USB Powered Touch Screen LCD Monitor as Multiple Input/Output Device for Video Conference, Instant Messaging, News, Photo Frame and Stock Casting, etc.
LCD panel: 7 inch high-bright LCD, LED backlight.
Screen Resolution: WVGA(800×480)
Touch Panel：4-wire resistive touch screen
Aspect Ratio: 16:9
Input Power: USB(DC 5V)
Power Consumption: ≤4.5W
Dimension(LWH):188×123×23.5mm/25.8mm（with touch panel）