Control multiple lights from one time-clock or controller device. Power is wired directly into the outlet timer box, and all of the outlets are controlled by one 120V trigger cable. You can plug the trigger cable into a standard 24-hour timer or environmental controller. All controllers feature premium quality industrial grade relay and durable powder coated steel chassis. Three year no hassle warranty. Control up to four lights from one time-clock or controller device. 120/240 volt power is wired directly into the four outlet timer box, and all of the outlets are controlled by one 120 volt trigger cable. All are rated for 30 amps at 120/240 volts. APCL4DX has four 120/240 volt style outlets which allows for running your ballasts at 120/240 volts without having to change out your ballast power cords.