The Flipbox LSM-16 is a premium 8 ballast unit designed to run 16 lights. Add more lights to your horticultural systems and stimulant more growth and higher yield! This convenient single Powerbox unit comes with a built-in timer with battery backup that allows for complete automation of switching between 16 lights from 8 ballasts. It is also voltage independent and works with 120 Volt and 240 Volt ballasts. Fits Sunlight Supply® style ballasts. Built to last and helps run lights efficiently. 5 year warranty included. •Detachable trigger cord can override the built-in timer, so Powerbox™ can be controlled by your own timer, or other devices. Hand-built at their California factory, 5 year warranty.