The auto shutdown timer and auto shutdown voltage features prevent the car battery from discharging. These function can be set through Smart Manager or PC Manager. Auto shutdown timer After parking recording commences, the device operates for a pre-set time, after which the power is turned off automatically. * Smart Manager (supported by Android and iOS) Go to Settings �� Recording �� Auto Shutdown Timer Auto shutdown voltage When battery voltage falls below the pre-set voltage value after going into parking mode recording, power is turned off automatically to protect the battery. * Smart Manager (supported by Android and iOS) Go to Settings �� Recording �� Setting Voltage * PC Manager (for Windows PC) 1. Remove the memory card from your product. 2. Insert the memory card into a card reader and then connect the card reader to your computer. 3. Launch the PC Manager program and click the Settings icon in the upper-left corner. 4. Go to Settings  �� Recording Settings �� Parking Recording �� Shutdown Timer/Shutdow Voltage (Set the Timer/Voltage value) 5. Click the Save icon in the upper-right corner. �� In the ordinary recording status, the front and rear view cameras are synchronized by the front view camera setting. If one of the cameras stops recording due to high temperature protection or safe removal of memory card, then the other camera autonomously runs by its own setting. - Items like file name, recording file save cycle, parking voltage, and termination voltage are determined by the front view camera setting. - Wi-Fi On/Off, Remote Monitoring On/Off, and Sound Recording by Button On/Off are always applied to both the front and rear View cameras.