Main Point: 4-inch Screen Display : It also provides instant video playback. Prove your innocence in seconds whilst remaining on the road. Record HD 1080P Video: Record FHD Video in 1080P mode. 25mm Wide Angle front camera lens, capture all the action in crystal clear HD video. Video and audio are automatically recorded in an endle loop and saved in memory card. Record traffic incidents, scenic travel, unexpected moments or any social media worthy video. Dual Cam Simultaneously Recording and Rear view camera support: This Car DVR has two cameras that allows for simultaneously recording videos from two different angles. Picture in Picture display will let you have clear view from front and back-up camera . When the car in Reversing Gear, this car dvr will automatically switch to the back-up camera image view with parking line. Built in G-Shock Sensor: If a vehicle collision occurs, the build-in G-Shock sensor automatically locks the recorded video providing an accurate record of events. Parcel include: 1 x Car DVR 1 x Rear Camera (Option) 1 x Car Charger 1 x User Manual 4 Options to choose 1080P Full HD High Definition 1920*1080P, Quality more clear, Color more full. Dual Lens Cam Full HD 1080P 160-degree front and waterproof 720P 120-degree rear, super wide angle dash camera can obtain full coverage of your lane. You can easily switch between front and rear lens display. When backing your car,the rear camera will automatically open reverse image. HD 720P Rear Camera the resolution of the rear camera is 720P (1280*720),And the rear view camera is waterproofit can be applied to most of the car, you can reverse the camera installed directly behind the car, Installation is also very convenient. Dual Lens Recording This Car DVR has two cameras that allows for simultaneously recording videos from two different angles. Front:1080P Rear:720P 6-Layer Optical Gla Len high-sensitivity chip with F2.0 large aperture lens,Pround staris technology and upgraded sensible parts to 2.9um,The large amount of light makes the lens night the same as the daytime. Video Effect : 4 Inch Screen Adopts a 4-inch screen.High-definition resolution,clear and delicate pictures;the recorded video can be viewed on the screen instantly,which is very convenient. 24 Hours Parking Monitor When someone near your car or vehicle starts to move, Automatically turn on and start recording when detects any impact or collision,the device automatically recording for few seconds,make sure 24hr Parking Guard. Attention: It should be connected by a hardwire.