A standard energy efficient High Frequency Ballast from Huco Electronics that controls TCD (4 pin) Twin Compact Fluorescent Lamps rated at 32 Watts. Optimising lamp performance over a 50,000 hour service life this control gear is 1-100% dimmable, and features constant light output and over voltage protection. It is suitable for many commercial applications as well as schools, supermarkets and hospitals. Product dimensions are 33mm x 123mm x 79mm (h x l x w).