Description:You can even find a wireless backup camera with night vision to help you back up late at night. A rear view camera wired to a constant power source in your vehicle reveals the road behind you as you drive, which is useful for heavy traffic situations to ensure you always have enough room behind you. You can find several options among the vast inventory on eBay, including models with a smaller Some models can even turn your existing rear view mirror into a backup camera. Skip to main content. Wireless Backup Camera Refine Results. Browse Related Browse Related.