【24-hour customer service】 If you encounter any problems with the installation of the dashcam, please feel free to contact us, we will provide customer service for you to solve the problem. HUPEJOS GPS Dash Cam Front and Rear Inside,4K/2K Dashcam with Wi-Fi&APP Voice Control, 4 Channel FHD Dash Cam,360° Car Camera with 64GB Card, Loop Recording, Parking Mode,Night Vision Functional:4 Channel Dash Cam GPS 2k/4k dash cam,free 64gb sd card dashcam for surveillance,Built-In WiFi dash cam front and rear,3.16"ips screen,Night Vision dash cam, wdr,Voice Control car camera,App Control dash camera,G-Sensor CAR CAM, 24 Hours Buffered Parking Mode vehicle camera,dual camara 360 de carro,, all side dash camera for car,, Loop Recording CAR VIDEO, Automatic Incident Detection, 360 Degree Dash Cam, Radar Detection Parking Monitoring,Front rear left and right inside the car. full hd dash camera for cars car accessories hidden cam hardwired wireless dash cam 360 dashboard camera 512gb sd card dashcam The dash cam provides WiFi connection and smart APP control, G-sensor motion detection, built-in GPS, voice control. HUPEJOS Dashcam brings you a safer driving experience. With IR Light/WDR technology, it can capture more light during night vision or night driving. Achieve 360° four cameras capture high-quality video. In addition, three cameras can also record high-quality video. The front camera records in 2K and the other cameras record in FHD 1080P. You can choose to record with four or three cameras according to your needs. The dash cam supports a maximum of 256GB card (not included). Loop recording. Every 3-minute loop recording, the oldest videos will be overwritten when the SD card is full. Built-in highly G-sensor, when you're driving in a gravitational collision, it locks the video that is being recorded separately so it won't be overwritten. Built-in 2.4GHz WiFi GPS. In addition to recording video while driving, you can also record driving tracks. The time and place can be recorded with a certain degree of accuracy, the effectiveness as evidence in the event of an accident increases. The speed of a car can also be tracked, it is important evidence of compliance with the legal speed limit at the time of the accident. The built-in WiFi is used to connect the camera and APP, not for internet access. Super night vision. 8 IR lights, record clearly even at night. WDR, automatically adjusts light sensitivity to avoid high exposure to strong sunlight while also capturing clear and color-accurate images at night or in low-light conditions. Voice control. Its advanced voice control feature allows you to take photos, mute/unmute the microphone, start/end recording, and lock video with hands-free. Since 2008 and into the future, HUPEJOS is passionate about providing reliable road safety resolution for every driver, and committed to creating high quality products and never stop.