This truck accessory provides hands free access to your truck box so you can find what you are looking for. The WEATHER GUARD Remote Keyless Upgrade Kit features Patent Pending PowerSync?. The RKE is powered by vehicle power via an easy to install wiring harness. Attention California Residents (Pro? 65): This product can expose you to chemicals Chromium (hexavalent compounds) which is (are) known to the State of California to cause birth defects or other reproductive harm.