This is a 4 in 1 high definition video signal convertor, it convert AHD/TVI/CVI/CVBS signal to HD/VGA/CVBS signal. The convertor will recognize input video signal automatically. it compatible with 1080P,960P,720P,480P signal input. The output HD signal support 1080P and 720P. You can shift it by the button on convertor. MPS wide power 5V-20V design helps it widely used in different working conditions.