This 4.3 inch display dash camera is alloy shell,with all functions:G-Sensor,Loop Recording,WDR,Emergency Lock,Motion Detection,Parking Monitor,which bring you a safer driving experience ?Easy To Use?Simply suction cup or 3M adhesive sticker bracket mount it to windshield,connect the power cable,the dashboard camera will automatically on/off when engine ignition on/off.Perfect for new and experienced motorists.Camera lens: equipped with front view, car inside view and back view. When reversing, DVR automatically switches to display the rear lens image, and the full screen displays the rear environment assisted reversing.