Dual Dash Cam 4K+1080P,Front and Rear recording, Security for Your Driving. GPS Tracker, Keep track of every journey and playback on "VIIDURE" GPS player. 2.4GHz: . ,Higher data rate. Less prone to interference.Usually fewer devices use this frequency.Improve the connection of Dash Cam and Application significantly. 24 Hours Parking Monitoring,4K Front & 1080P Rear views record when the camera detect the collisions and shakes. Installation Type: Portable Dashcam suitable for all vehicles Camera Sensor: Front 8MP + Rear 2MP Camera Lens(Front): 6 Glass + 170 Degree Angle + F1.6 Aperture Camera Lens(Rear): 4 Glass + 140 Degree Angle + F2.0 Aperture Video Resolution(Front): 3840*2160P@25FPS Video Resolution(Rear): 1920*1080P@25FPS Photo Resolution: 12M Video Code: 264 Battery: Built-In supercapacitor and coin cell (Battery is very small, can not support working, only for save time&setting, please use for-original power charger when working) OSD Languages: Support all languages at App. Basic Features: G-Sensor, Cycle Recording, Parking Monitor, Time&Data Display, Wide Dynamic Range, ON/OFF Automatically Memory Card: Micro-SD Card, and 16GB to 512GB (Not included) Rear Camera Upgrade: Support max 10 meters cable Rear Camera Add Features: Night Vision, 3840x2160P front Camera, 4K video resolution, WiFi, Built-in GPS tracking Colour:As Shown Material:ABS Package Contents: 2 * Camera Recorder 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.