1. 3 inch high-definition screen, the screen display is exquisite, rich in details 2. Mobile APP close distance, point-to-point real-time view video playback, capture pictures and other functions 3. Front and rear dual HD: before 1080P, after 720P 4. Loop video 5. Gravity induction Double recording before and after, full screen playback. Time-lapse video. In actual shooting, when you encounter a darker environment, you want to be brighter and shoot more clearly, you can increase the exposure compensation; the light is too strong, when you encounter direct sunlight, you can reduce the exposure compensation. Gravity sensor: Three-axis stereo collision acceleration sensor Battery:Built in super capacitor Storage Max:support 32GB Micro-SD (class10 or above) Loop video: Optional 1/2/3 min, file auto overwrites old file when card is full. Language:Multi-language, Russian, English, Simplified Chinese,etc WiFi Support, neutral App (DVR-N3) Size:86x53 mm Colour:Black Material:Plastic+Metal Package Contents: 1 * host 1 * 5.6m rear pull cable 1 * rear pull lens 1 * car charger Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.