Goggles two DIY install DVR function1、Power DVR. As shown in picture 1 ,Red wire solder with VCC，black wire solder with GND .

2.As shown in picture 2, peeled off the right first wire and exposed the wire core.Connect it with the DVR input video signal wire in parallel.

3. As shown in picture 3. Cutting the second wire on the cable , connect it with the video input and video output of the DVR.

4. After the completion of the above process, package all the wire and throught the cooling holes of goggles bottom. Connecting with DVR module and fixed it.

5.DVR interface