Never miss a moment with the Navman Smart Box III straight plug uninterrupted power cable accessory. It provides constant power supply to your Navman 2 channel Dual Dash Cam for as long as sufficient voltage is available from the vehicles battery. Auto Shut-off feature built-in for managing vehicle battery consumption based on adjustable, pre-set duration and/or voltage rating. Essential to enable full and safe function of both Navman Smart and Low Power Parking Mode* features, in compatible Navman Dash Cams. Suitable for all Navman 2 channel dash cam models supporting the Parking/Smart/Low Parking Mode Feature, that requires a straight plug mini USB connection. It is highly recommended for an Auto Electrician to install the Navman Smartbox III to your vehicle to prevent any electrical short outs.