Use this dashcam to create an awesome timelapse of your road trip. It shoots video at a 1080p resolution. This particular model shoots video at 30fps.
Freemans
Mio MiVue Dual Front & Rear Dash Cam Full HD 1080P C420 - Clear
OnBuy
Mio MiVue C420 Dual Car Camera Dash Cam Full HD 1080P @30fps, 2M Sensor, FOV 135, Rear Camera T20 in Package, Display 2.0 Inches, MP4 (H.264), Photo M