Works with Your Compatible Garmin Navigator to See Behind Your Vehicle Works with your compatible wi-fi enabled Garmin navigator to see what's 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. 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 (splashes, rain or snow) to withstand various road conditions Voice commands can initiate the BC 40 camera view Uses 2 AA batteries; battery life lasts up to 3 months with average use (lithium recommended, sold separately)