7 Inch Rearview Mirror Monitor with Touch Button Control, a 4:3 Ratio and 480x234 resolution is the perfect extra set of eyes to have as you reverse your car.This clip over 7 inch monitor with a polarized surface reflects images just like a regular rear view mirror, however it has the bonus of displaying the images of your rearview camera if you put your car in reverse or just decide to use the touch button or remote control to turn on the display. The 480x234 resolution provides a clear picture therefore that you can see what is exactly happening on the 7 inch display. Watch what is going on in detail due to the 4:3 aspect ratio that is displayed on the 7 inch rearview mirror monitor.An additional video IN can be used for connecting other video devices such as a DVD player. An easy to install pinch-clip design means this can be securely mounted over any existing rearview mirror and fits most worldwide model cars by being mounted onto the existing mirror with a height of 60mm to 90mm.