Overview: Motion detection function : After the car is turned off, the recorder will not shut down. When there is no moving object in front of the car, the recorder will enter the power-saving mode. When there is an object passing by and the light changes, the recorder will automatically turn on the recording.(First, you need to prepare a voltage drop cable, and find a 4S shop or car repair and maintenance shop and ask the relevant technicians to connect the voltage drop cable for the car. Then, connect the USB interface of the voltage drop cable to the recorder to debug the motion detection function and set the screen protection function.) Specification: The photo parameters are 3.5inch, the product shall prevail Main control chip: Lingtong 6624 Lens chip: 7736 Display: 2.4 inches Lens angle: 100 degrees Menu selectable languages: Chinese / English / Russian / Japanese / French / Italian / German / Spanish / Korean Video resolution: 720P difference Video compression format: Motion.jpeg G-sensor collision sensor: 3 Axis, built-in Photo resolution: 1920 * 1080/1440 * 1080/1280 * 720/848 * 480/640 * 480/320 * 24 Photo format: JPEG Memory card: support TF card (4GB ~ 32GB) Microphone speaker: built-in Current frequency: 50HZ / 60HZ USB interface: USB 2.0 Car charger: DC5V 1000mA (Input DC12V-24V) Battery: 50mA, built-in Fill light: LED light Battery working time: about 1 minute Size of mirror: 30 CM * 8 CM Package Content: 1x Car charger 1x Buckle 1x Driving recorder