PolarLander F30 2.7" HD Dual Lens Car DVR Car Camera Dual cam Night Vision Vehicle Black Box Driving Camcorder Video Recorder for Parking 2.7" 16:9 HD display, dual-lens can rotate by 180 The machine can automatically detect and start the video when the vehicle starts,and support the video-recording while charging Image sensor: CMOS WXGA HD photographic chip, and up to 5 million pixels Power supply: built-in lithium battery / vehicle-bone charger Eight night vision infrared lights are used to get super night vision effect