Real 4K+1080P Dual Dash Cam --Front cam - ultra 4K( 3840*2160P, 30FPS),Rear/inside- FHD 1080P( 1920*1080P, 30FPS),To reduce the blind areas,the front cam wide angle of 170 degree and rear cam wide angle of 160 degree. clearly capture the key details like road signs,vehicle plates...It provides the significant evidence for car accidents. WiFi & Phone APP Control--The 4K dash cam front and rear support free APP for Android or iOS smartphones. Easily access record videos,watch live stream ,Setting camera,download and share your footages to social midea by smartphone directly. Don't hesitate to share any recorded journey to your friends. Optional Inside/Rear Camera--You can install the small car dashcam on front windsheld to record inside or install on rear windsheld to monitor backside of your car. 2 methods installation for you to choose.