A lightweight and slim ballast measuring 360mm x 30mm x 21mm (l x w x d) that ensures energy efficient operation of Twin 36 Watt TLD fluorescent lamps. This Philips Regulator II High Frequency gear uses 1-10 Volt protocol and benefits from programmed start flicker free ignition constant light independent of mains voltage 1-100% dimming and striation free operation. This is an excellent solution for daylight linking and movement detection applications as well as remote control systems and emergency backup installations.