GE GE454MVPS90F. This is an Electronic High Output Programmed Start Ballast for up to 4 Multi-Volt T5 Lamps. It Has a Minimum Start Temperature of -20 Degrees F and is Non Dimming. The Electronic, Programmed Start Helps Extend the Life of the Lamp and are Ideal for Applications with Frequent On/Off Cycles. Can Start up to 3 Times Faster than Standard Programmed-Start Ballasts.