2.signal power on

3.with earphone jack

4.USB,SD optional
specification:
Screen:(16:9) and (4:3)
Resolution degree:480(W)xRGBx234(H)
Contrast:300:1
Brightness:250cd/m2
Viewing Angle:L/R/U/D:60/60/40/60degree
Visible Area:154X86mm
Storage temperature:-20degree ~+70degree
Storage temperature:-25degree ~+80degree
Power supply:DC12V(DC24V optional)
Signal:Two way video input,V1/V2 switchover,Blue screen when no signal
Operation function:Keystroke+remote control
Apprearance Dimension:(L)280x(W)190x(T)130mm