Attention: The product only supports 5V and 1A voltage and current, so after receiving the goods, please use the charging cable that comes with the product to connect, or use the free USB cable to connect to the computer for testing, especially be careful not to use the mobile phone charger to connect Connect the cable to the DVR, otherwise it is easy to damage the machine due to exceive current. Please read the user manual before use. Our shop is not responsible for any damage to the machine caused by incorrect operation. Product Specifications: > Screen size: 4.0inches >ColorSilver black > File format: AVI >Voltage 1 Current: 5V/1A > Video resolution: 1440P; 720P; VGA > Continuour Loop Video: Seamle Loop Recording > Automatic power on/off: support automatic ignition, shutdown and shutdown> Interface: Support USB > Time Synchronization: Support > Support memory card: TF (maximum support 32GB) (excluding card) > Built-in stereo: support > Frequency: 50HZ / 60HZ > Supported languages: Chinese, English, French, German, Ruian, Japanese, etc. The package includes: 1 X car DVR 1 X car charger 1 X user manual 1 X Standrad Reaview Camera(Optional) 1 X Reaview Camera Cable(Optionaly) 1 X Buck Line(Optional) 1 X card reader(free gift) Our products not Equipped memory card. The recorder needs to be equipped with a high-speed C10 or higher memory card for normal use. It is recommended to buy memory card packaging in this store to avoid adverse reactions to the product due to the purchase of irregular memory cards! 1080P HD Resolution Profeional custom image proceing chip,can easily complete the high-speed motion scene shooting.1080P HD picture quality brings ture visual enjoyment to consumers Clearer picture quality and richer colors. 4.0 inch HD touch IPS screen 4.0-inch high-definition LCD, high definitional and high quality video recording. The use of anti glare mirror can effectively weaken the reflection of strong and weak light, making traffic more convenient and safer. Loop Recording,Auto Delete Adopt brand-new intelligent overlapping technology, when the TF card space is insufficient, it can automatically delete the previous video, realize loop recording, and support emergency automatic recording. 24H Parking Monitor Only need to connected by a DVR Exclusive power cable, 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 automatically recording for few seconds,make sure 24hr Parking Guard. Motion detection system Continue to record video when the flame is turned off, only mobile monitoring, identification of moving objects, saving storage space. High-sensitivity lens For High-definitional Shooting High-sensitivity lens can also shoot high-definitional pictures in bad shooting environment to ensure your driving safety. 170 wide angle 170 wide-angle, the field of view is increased by 25%, and the ultra-wide-angle field of view can more intuitively see the road conditions and record the road conditions.