4K Dash Cam, Built in WiFi GPS Front 4K & Rear 1080P Dual Dash Camera for Cars, UHD 3"" IPS 170° Wide Angle Dashboard Camera with 64GB Memory Card, ASR, WDR, Starlight Night Vision,G-Sensor, ??【170° wide angle front 4K & rear 1080P dual dash camera for cars】- This dual dash camera has Ultra HD front 4K and rear 1080P , which can clearly record the road signs, capture plates of front and rear vehicles. And the front 170° + rear 140° wide angle, providing all-round protection and providing effective video evidence in the event of an accident that leads to an insurance claim. Note: For the first use, please tear off the lens protective film and keep the lens clean., ??【Convenient built-in WIFI and GPS allow you to view real-time from your phone】- For more convenient use, you can use the ""Roadcam"" APP, and then connect the phone to the built-in WIFI of the dash camera to view or download the recorded video in real time. When viewing the recorded video containing GPS information on the mobile phone, the GPS track will be automatically loaded. And you can conveniently set the dash cam's loop recording time and collision sensitivity on the phone., ??【Starlight Color Night Vision & WDR technology ensures clear night shots】- Our 4K dash camera front and rear features industry-leading Starlight Color Night Vision for clear shots even at night in low-light environments without auxiliary light sources. With a 6G all-glass high-resolution lens with F1.8 aperture, using Wide Dynamic Range technology provide a wider field of view and enhanced color to help you drive smoothly at night ., ??【Smart ASR reminds you to view the video recorded after the G-sensor senses the collision】- You can adjust the sensitivity of the High-sensitivity dynamic sensing system G-sensor of the dash cam front and rear, when collision is detected, the G-sensor will automatically start recording, save the current video for future forensic use. And when it's turned on, Automatic Speech Recognition will give a voice reminder to view video recorded after a collision is detected while parked., ??【24H parking monitoring to protect vehicle】- Our dash cam has a built-in rechargeable battery. After parking, the built-in battery will supply power when the dash cam automatically starts recording when the car collides, 24H protect vehicle when parking and preventing vehicle theft and scratching accidents. We recommend turning off motion detection when parking to ensure seamless recording., ??【Loop recording for easy record throughout the day】- The loop recording of the driving recorder is to automatically overwrite the earliest recorded video file when the storage space is full to realize loop recording, which is convenient for users to filter and query videos. You can set it on the dash cam or on your phone after connecting. And you also need to adjust the sensitivity of the G-sensor to prevent files from being easily locked and memory card storage full.,