4 inch Black Box Car DVR Dashcam

4 inch Black Box Car DVR Dashcam 3 Cameras Lens IPS HD Screen 1080P Dual Lens Video Recorder Front + Rear View Camera Dash Cam 【Seamless Loop Recording】 the current video will cover the previous files even the storage is full, then you will not miss any important data. 【Gravity sensor, Emergency save】 when Gravity sensor detects a collision, the current video is locked, important footage is protected, which bring you a safe driving experience. 【Professional Standard Material & High Technology】 Polycarbonate flame retardant material and professional lithium battery, stay away from security risks. Short circuit protection, make sure use the dvr safely and also driving well. 【Record Day or Night】 Records automatically when vehicle starts and switches off automatically when ignition is off Car Dvr With 3 Camera Lens 1.Front View 2.Car Inside View 3.Back View Three Camera Picture In Picture Display In addition to front and rear view, you can also observe everything tha