Flipbox? LSM-12 is 6 ballast, 12 light Flipbox? that allows you to run 12 lights from 6 ballasts. The Flipbox? LSM-12 has a built-in digital timer with battery backup to allow for complete automation of switching between 12 lights from 6 ballasts. Voltage independent - works with 120 Volt and 240 Volt ballasts. Fits Sunlight Supply? style ballasts. Detachable trigger cord can override the built-in timer so Powerbox? can be controlled by your own timer or other devices. Double production without installing additional power circuits and saves money on ballasts, use 6 ballasts to run 12 lights. Hand-built at their California factory.