Specification: Main lens pixel: 2MP Main lens resolution: 1920*1080P Video frame rate: 30fps Main lens Angle: 170° Left and right rear lens resolution: 1280*720P Left and right lens Angle: 120° Left and right lens selection adjustment: up and down 120°, front and back 270° rotation Left and right camera cover selection adjustment: 270° Video format: AVI Screen size: 2.4 inches Screen resolution: 800*480 Features: 3 lens recording, left and right lens Angle adjustment G-Sensor (Gravity sensing) : Yes (automatic lock recording) Loop recording: Supported 24H Parking monitoring: Support (need to purchase a hardware kit to use, the power cord can not be 24H monitoring) Memory card expansion: Support 8-128G memory card (not included) Recording: Video loop recording (can be turned off) Power input: 8-24V Power output: 5V 2A Battery capacity: 150 mAh Power cable length: about 3.5 meters Astern lens cable length: about 5.5 meters Installation method: Sucker bracket installation Material: ABS Main size: length 135MM* height 49MM* thickness 35MM Package Included: 1 x Dash Cam 1 x Cigarette Port Power Cord 1 x Mounting bracket 1 x Instruction manual Note: 1. Before using this device, please insert the memory card first, andneed to format micro SD card to FAT32 format on PC firstly, thenformat the memory card in camera menu.This camera records video at high resolution, Be sure to use highspeed Micro SD card (Class 10 or above). 2. The small built-in battery is used to save setting and time, and parking monitor. It won't last too long, so when the car camera is recording it needs to be continuously connected to the Lighter Car Power Cord.