1.Screen: 2.7 inch high definition screen 2.Lens: f: 2mm; F, 2.0 (IR lens) 3.Camera: Front: 140 degree wide angle, Back: 120 wide angle 4.Color sensor: 1/4" color CMOS 5.Video resolution: 1280*480 (dual mode), 640*480 (single mode) 6.Video format: AVI Cycled 7.recording: Yes 8.Memory: you need use a Micro SD card, up to 32GB (not included) 9.Microphone / speaker: Built-in 10.Battery: Built-in lithium polymer battery 11.Optional language: English/German/French/Spanish/Italian/Portuguese/Traditional Chinese/Simplified Chinese/Japanese 12.System requirement: Windows 2000/XP/Vista/Windows 7, MAC OX x Above 10.3. 1.Dual Lens Dash Cam, Front lens: 140 wide-degree,Back lens: 120 wide-degree, its front/back lens can be rotated for 270 degree to the front or back; Protect yourself from fraudulent lawsuits on the road; GPS Module,Gravity Senso 2.Built-in gravity sensor G-sensor: Can record the gravity sensing information and according to the car up and down, left and right, front and rear offset determination, when traffic reaches a certain value is considered abnormal and automatically lock the current video for protection . Using random specialized software, watch the video on your PC, but also saw changes in gravity sensing data to trace the course of gravity in the road 3.NIGHT VISION and LOOP RECORDING: The night vision feature will also allow you to make clear recordings in relatively dark environments; Loop recording provides unlimited storage from the TF card, which will automatically overwrites the oldest footage when the memory card gets full 4.GPS and DELAY STARTING FUNCTION: GPS scanning and positioning, travelling track restoring; delay starting function, which can prevent it from damage caused by pulse current occurred at the moment of vehicle starting, using random specialized software, you can watch the video on the computer, and through the Internet link Google Maps at same time , showing lane track on the map, the route of the vehicle retrospective. 1 x Car DVR recorder 1 x Suction Bracket 1 x User Manual