Eliminates going back to the truck or trailer to shut off your downstream. Also gives you the capability to run low pressure without soap. Great range, simple on/off operation, weatherproof, corrosion, chemical resistant components. All electrical components are housed in a weatherproof box away from valves and chemicals. Unit comes standard with 1/4″ hose barbs. Two pre-programmed remotes included with 10′ weatherproof power supply cord. Simply connect to a 12 volt battery, make hose connections and start saving time & money!