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REARMASTER Universal OBD Power Cable for Dash Camera,24 hours Surveillance with mode switch button (mini-usb) Amazon.co.uk: Electronics & Photo


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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.

Dual working mode switch button integrated for your convenience: 1.ACC working mode,5 minutes off when your car ACC is off; 2. Surveillance working mode, keep working until it detects low battery voltage(11.6V).

Obtaining power from ODB interface only, no interference in other ODB data communication.

3.5meter(11.5 ft) length extension cable,Mini USB port,Input: 8V-36V | Output: 5V/2.1A

Tips:1.Our OBD2 definition is ” pin4 for ground, pin5 for signal,pin16 for power supply”,this definition can cover most of the vehicles,but if some vehicle models use different definition from ours, it may cause dashboard warning or other errors.We also make a updating incompatible list in the last photo for your reference. 2.In latest inventory we are using 3 pins instead of 16 full pins in the OBD interface to reduce incompatibility issues.

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