The Spartan Series® Metal 4 Light 240V Controllers brings you quality and reliability for an economical cost. The heavy duty enclosure will stand up to the rigors of a growing environment while controlling your lights flawlessly. The controllers utilize a heavy duty definite purpose contactor that is rated for ballast usage. There are two options for activation, a built in timer for easy consolidated installation or a trigger cord which is designed to be plugged into any 120V timer. These products also feature universal outlets which allow you to use a 120V or 240V cord to run your ballasts at 240V.