Dash Cam, Dual Lens Car Video Recorder , Rearview Mirror, 1080P,5 Inch Screen, 32GB Micro SD Card Included Record Full HD 1920x1080 high resolution video. As well as a G-Sensor, which senses sudden acceleration and collisions to automatically capture and protect critical footage in an accident. Truly No-damage Installation, No need for changing original mirror, No consideration of different model of the mirror brackets. You just need simply bind it to the original mirror. Seamless Video Recording: Automatic seamless video recording in loop to use the storage efficiently, with the earliest unlocked video clips being overwritten when reaching the storage card's maximal capacity. Customizable video clip length of 1, 2 and 5 minutes. You just download the navigation software, you can use it to navigate. If you want to use the GPS function, you must also purchase another satellite sensor installed on the GPS port. AUTOMATIC SAFEGUARDS: Records automatically during vehicle ignition - switches off automatically with ignition off - energy saving LCD screen off timer - loop recording feature for efficient storage management - manual and automatic video protection from deletion - integrated G-sensor / accelerometer triggers crash detection recording - parking mode watchdog for 24/7 surveillance of your vehicle