Spec: ACC mode Input: 13V-36V | Output: 5V/2.1A Surveillance mode Input: 11.6V-36V | Output: 5V/2.1A Extension cable: 3.5meter (11.5 ft) length Working Mode: Mode 'O': ACC mode, when your car ACC is off, the OBD power cable will also power off after 5 minutes. Mode '&mdash; ': Surveillance mode, when you car ACC is off, the OBD power cable will keep working until detecting the car battery voltage is at 11.6V(low voltage),it will power off after 30 seconds. The low voltage protection for mode '&mdash;' protect your car from running out the battery, enable you have enough voltage to start the car for next driving. Attention: 1.If you leave your car for many days no driving without surveillance purpose, we suggest you to set the working mode in ACC mode 'O'.Cars battery will run out day by day because your dashcamera are consuming power all the time in surveillance mode '-'. 2.Our OBD2 definition is &quot; pin4 for ground, pin5 for signal,pin16 for power supply&quot;,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. 3.In latest inventory we are using 3 pins instead of 16 full pins in the OBD interface to reduce incompatibility issues. 4.Some dash cam has its own power supply mechanism which may not work with our cable.If you are not sure whether you can use our cable,please contact us first before you buy.

Universal OBD Power Cable for Dash Camera,24 Hours Surveillance/Acc Mode with Switch Button