Works with Your Compatible Garmin Navigator to See Behind Your Vehicle Installs quickly and easily by snapping into the included license plate mount Wirelessly pairs with a compatible Wi-Fi enabled Garmin navigator to see the backup camera view on the navigation display (sold separately) Transmits data up to 25' to provide a wide, clear video image of what's behind your vehicle Rugged and weatherproof (water rated to IPX7) to withstand various road conditions Voice commands can initiate the camera view Uses 2 AA batteries; battery life lasts up to 3 months with average use (lithium recommended, sold separately) Installs Quickly and Easily Installs quickly and easily—no drilling or wiring. Attach the license plate mount to your vehicle and snap the camera into place. No Drilling or Wiring We eliminated the hassle of wiring this camera into your car's power supply. Just install 2 AA batteries (lithium recommended), and BC 40 is ready to go. Control With Your Voice You can use simple voice commands, such as “Show video,” to initiate the BC 40 camera view.