Features Hidden installation, no obstruction of sight. Hidden installation of Tf card Machine Support 360degree Rotable Micro USB (Universal Serial Bus) Connect can charger for Android phone Emergent usage HD Camera with ADAS function This machine is only suitable for Android Multimedia CAR DVD player. Support Android System 4.4~9.0 If the Android version of your car DVD is too low, lead to will not work, please contact us to replace the apk file. Important function Discreet Design Mini size allows the device to be a well-hidden witeness to the road ahead ADAS Function When the device detects the vehicle in front to close, it will alarm to remind motorists to pay attention to road conditions or abnormal vehicle.LDWS Function The device driver unconscious deviate from the original lane when the lane departure alarm is automatically triggered.MBasic Function Loop recording New recordings will automatically overwrite oldest recordings when the memory card is full, yet locked videos will be safe from being overwritten.