Dash Cam Dual Lens 4K UHD Recording Car Camera DVR Support Loop Recording | Support Parking monitoring | Support G-Sensor | Support WIFI connection | Support Voice broadcasting Features and specifications Installation type: Universal portable driving recorder, suitable compatible for all vehicles Front camera lens: composed of 7 pieces of glass, providing 170-degree wide-angle viewing angle and F1.6 large aperture. Rear camera lens: composed of 6 pieces of glass, with 140-degree viewing angle and F2.0 aperture. Video resolution front: 4K 3840*2160P @30FPS Video resolution rear: 1080P 1920*1080P @30FPS Photo resolution: 12M Video encoding: H.265 Battery: built-in supercapacitor and button battery the battery is very small and cannot support work. It is used to save time and setting incompatible for mation. Please use the original power charger when working. OSD language: The App supports multiple language selections. Basic functions: G sensor, loop recording, parking monitoring, time and date display, wide dynamic range, and automatic on/off function, etc. Memory card: Micro SD card, class 10 or above and capacity range from 32GB to 512GB card needs to be purchased separately. Rear camera upgrade: supports rear camera with up to 15 meters cable. New features: including night vision, 4K video recording, WiFi connectivity and GPS tracking. Packing list 1 x packaging box 1 x 4K Dash cam 1 x original car charger 1 x User Manual 1 x gift1crowbar; 1card reader; 1card pin; 2static stickers; 5buckles 1 x true high-speed TF card optional 1 x 1080P night vision rear view camera with 6m cable optional 1 x GPS external module optional 1 x hardwired kit compatible for 24-hour parking monitoring optional Notice Regarding 24-hour monitoring: Please note that the DVR is only suitable compatible for vehicle connection with 12V power supply. If you use a 24V power supply, the motherboard may be burned. If it is really necessary to use a 24V power supply, be sure to add a proven 24V to 12V transcompatible for mer BL. About video recording: