Follow the manual of your car or search the information from internet to find your car fuse box, open the box with the plastic pry tool (if you have to use it ).
Use the electro probe, find the ACC power fuse and Constant power fuse, we recommend you use reading lamps, headlights, tail lamps, turn signals, power windows fuse to supply for the Constant power (if they are constant power fuse ).
ACC power: When you plug your car key then turn it to ACC, the power will work .if you turn your car Key to Lock or unplug your car, the power will be off. Connect the red wire (ACC) with the ACC power fuse.
Constant power: plug or unplug your car key, the power is uninterrupted. Connect the yellow wire (B+) with the Constant Power fuse.
For some cars, you have to cut the wires, refit them then connect them with the car fuses. Then plug the fuse to where it is. The GND wire (black ) to connect it with steel plate or screw.
Connect the car DVR with the wires, then turn your car key to ACC, test the car DVR can work or not. Connect your smart phone with the car DVR via WiFi, open the app as FinalCam to manipulate the car DVR and find the best installation position.
Stick the car DVR on the windshield by 3M glue, then hidden the wires, finish the installation, feel at ease to use.
The car DVR need to plus a TF card (support Max 32G) to record, above C6, better is C10.
Master chip: Novatek 96658
Screen: wifi phone screen/ car screen
Viewing angle: 170 degree
Video format: MOV,H.264 compression
Video clip: 3 minutes
Video mode: loop recording, automatic coverage
Video resolution: HD, 1080P 30 frames / S
Video signal: NTSC / PAL
Storage: maximum 32G micro SD card(class 6 or above)