Input: 7-30V DC Output: 5V, 3Amp(max) It can charge just about any phone, Tablet, GPS, camera, etc. 7.5Amp fused protection SAE quick connectors to connecting for your existing battery charger lead. 4ft of wiring provided to increase mounting options Weather proof cover to protect internal circuit. Can be mounted to amost any surface with tape, zip ties or screws ( hardware not included) Or keep loose and use the quick disconnect to plug in whenever you need it. Especially convenient for use on motorcycle by providing USB power for GPS, Phones, etc.