Check out $45.42 of G1WH 2.7 Inch Car DashCam 1080P HD Resolution
From the prices you see online, this would be the cheapest you can see. G1WH 2.7 Inch Car DashCam 1080P HD Resolution is updated with 2014 model with 140° viewing range compared to the 2013 G1W with 120° viewing range. It features 2.7 inch high resolution LCD screen, full 1080P HD high-definition resolution, 140 degree super wide-angle lens, advanced H.264 photography compression technology, supports motion detection function and HDMI output, 4X digital zoom and scope from 12cm to infinity, Support TF card up to 32GB but TF card is not included, Seamless loop-cycle recording function and G-Sensor function. Grab the deal and shoot away!