As a truck driver, are you tired of being blamed for accidents that are not your fault? Protect yourself with GPS location, vehicle speed, and video recorded by 3 points of view. A dashcam video can protect you from false claims and undeserved tickets. Mount the main camera on the windshield, pointing forward; mount the two waterproof cameras on each side-view mirror, facing the rear, to monitor blindspots. Record three points of view simultaneously GPS antenna records vehicle speed and location on all video files LED night vision support, infared light makes night driving easier All three cameras use a single power source External cameras come with 19' cable 1080P resolution on main camera, 720P on external cameras Use two 128GB MicroSD cards for up to 28 hours of recording time. Cards not included. Dual SD Card Slot: Main camera and optional 4th camera record videos on one SD card and the two external cameras record on the other second SD card Loop recording function automatically beigns recording when vehicle starts and loops over old recordings once card is full G-sensor automatically locks videos if you are in an accident or collision Kit includes main camera with microphone and 4" LCD screen, 2 auxiliary cameras, 12 volt charger, suction cup mount, and USB data cable. Additional mounting hardware is not included.