【Three Channel Dash Cam】The N4 offers 155° front camera, 165° inside camera and 160° rear camera to record front, inside cabin and road back simultaneously at 1440P+1080P+1080P at 30fps, which gives you all-round protection when you’re on the roads. 【4K + 1080P Front and Rear, Front and Inside Dash Cam】Dual recording mode captures a crystal clear 4K + 1080P front and rear, front and inside. The front camera can seamlessly record up to 4K when use alone, enabling clear capturing of license plates and road signs. 【Infrared Night Vision Car Camera for Drivers】With high-performance Sony STARVIS CMOS sensor, a big F1.4 aperture 6-glass lens observing road front, F1.8 6-glass lens observing rear, this car camera is able to increase exposure automatically in dark situations for capture clear videos footage; 4 IR LED lights facing the car cabin, which can accurately capture the driver and passengers even when the cabin is completely dark, perfect for rideshare drivers such as Uber, Lyft and Taxi. 【24 Hours Motion Detection or Collision Detection Parking Monitoring】With the energy saving motion detection parking mode, the dash cam will be on standby mode and wake up to record once front or inside camera detect movement. With collision detection, If an impact is detected when car dash cam is off, it will auto on to record the impact. The 3 channel dash cam should be connected to hardwire kit(buy extra ASIN B083XB8T7T) or external battery for parking mode. 【Heat Resistant with Super Capacitor】The Vantrue N4 dash cam is super capacitor powered instead of lithium batteries, which are build to survive extreme weather conditions from 14°F to 158°F. ideal for hot weather areas like Arizona, Florida, Texas, or extremely cold areas. And it also gives a longer life-span than lithium-ion battery dashcams. 【Reliable Witness for Accident】Variable sensitivity G-sensor emergency lock videos to event folder following impact, loop recording auto overwrite the oldest file when card is full, auto LCD off avoid distracting, capable of housing up to 256GB of external memory(not in the box, recommend Vantrue sd card), firmware updates for continuous improvements and new features, optional GPS (need to buy separately B083XBS88L) to track route, location and speed. Full 18m Warranty, email replies within 24H.