Rearmaster OBD Power Cable for Dash Camera,24 Hours Surveillance / Acc Mode with Switch Button(DC Port) Useful: If your steering wheel

Useful: If your steering wheel has no control buttons

option2:obtain power supply from fuse box

If you want to split one video to four videos

Resolution:800TV lines

Rearmaster OBD Power Cable for Dash Camera,24 Hours Surveillance / Acc Mode with Switch Button(DC Port) Useful: If your steering wheelFeatures: 1. Designed to free up your cigarette lighter socket and supply a 24 hours continuous power to your dash camera via OBD connection,enable your dashcam to keep working on after you have parked the car. 2. Dual working mode switch button integrated for your convenience: ACC working mode,5 minutes off when your car ACC is off; Surveillance working mode, keep working until it detects low battery voltage(11. 6V). 3. Obtaining power from OBD