The PowerSync Remote Keyless Entry (RKE) accessory allows easy access to the contents in your truck tool box without having to press the truck box push button. The accessory is powered by the vehicle with an easy-to-install hitch wire harness, which is compatible with Chevy, GMC and RAM trucks. Designed to fit all -03 Weather Guard Saddle Truck Boxes, quickly open your truck box up to 25 ft. away with the included key FOB. WEATHER GUARD Remote Keyless Entry Kit with Hitch Wire Harness, Saddle Box in Red | PS8003