LKV820: 1 AV input, 1 AV output. Connect medical use video camera to TV / LCD;
LKV830: 1 AV input, 1 VGA output. Connect medical use video camera to PC monitor;
LKV840: 1 AV in, 1 AV and 1 VGA out. Connect medical-use camera to TV / LCD and PC;
1/1, 1/2 (up-and-down; left-and-right), 1/4 picture freezing;
Suitable for medical and beauty use