【Ultra HD 4K+1080P Dual Dash Cam】Record your journeys in stunning 4K resolution with the front camera, while the rear camera captures HDR 1080P footage. 4K+1080P high-definition resolution, equipped with a 157° front camera, and a 140° rear camera, provide full protection for your car to keep you out of trouble. The dash camera suitable for semi truck, trucks, jeep, van, autos, suv etc. 【Dash Cam with Speedometer WiFi GPS】The dash cam front and rear has built-in WiFi, use the Yeecoreviewer App (IOS/Android available) to access videos, live view, download videos directly on your phone, and then easily share your travel scenery and exciting moments with your family and friends on social media. The built-in GPS module records your driving route, location, speed, and time and marks it directly into the recording video. 【360 ° rotatable rear camera】The rear camera can rotate 360 ° freely, not only recording videos behind the car, but also turning the camera towards the trunk to monitor luggage, which is very suitable for SUVs and pickups. Not only that, the camera adopts unique digital IP and HDR technology, which has unparalleled leading advantages in terms of image quality and stability compared to ordinary analog cameras in the market. 【4 Parking Modes for 24/7 Recording Protection】1.Collision Detection Mode 2.Motion Detection Mode 3.Low Framerate Recording Mode 4.Low Bitrate Recording Mode. Choose the parking mode according to different parking situations. To use 24 hours parking monitor mode, need a hardwire kit (ASIN: B0BK8Y9ZXG). 【With SONY Night Vision】The car security camera has built-in Sony STARVIS sensors with HDR technology, it maximizes the visibility of the other person's license plate, even if the car behind you has its high beams on. It can also capture clear images at night or in any low-light environment. 【Emergency Lock & Loop Recording】The camera for car recording front and back, when the memory card reaches its storage limit, the car dash camera will continue recording with this Loop recording feature. If the G-sensor detects a sudden collision, it locks and saves the current video. This locked video can serve as evidence and won't be overwritten. 【US security testing & Lifetime After-Sale Service】All YEECORE products including accessories have passed the US security testing. We offer lifetime technical suppor and 18 months extended Guarantee. Any problem in using the products, please reach out to our 24/7 technical support. Note: 1) Please format the MicroSD card in the camera before initial use, supports up to 512GB SD card. (Buy separately). 2) The length of the original cable for the rear camera is 20ft, suitable for most types of cars.