How to use the button camera?

Step 1: connect the lens line of the key camera with the host;

Step 2: Turn on the host switch;

Step 3: connect the output connector of the power supply of the 12V receiver control box with the power supply input hole of the 12V receiver;

Step 4: connect the 12V lithium battery with the input end of the 12V receiver control box;

Step 5: Connect the AV input line of the receiver with the AV input port of the DV machine, adjust the DV machine to play video at the same time, and aim the receiving box at the lens of the DV machine.