Establish and ensure energy efficient operation 26-42 Watt PL fluorescent tubes and compact lamps with this Philips Regulator II High Frequency Ballast that utilises 1-10 Volt protocol. A lightweight and slim gear it offers programmed start flicker free ignition 1-100% dimming and constant light output independent of mains voltage. This ballast is particularly suitable for infrared remote control emergency backup installations daylight linking and movement detection applications in hotels hospitals offices and the like.