Exchanging High Efficiency and High Output TL5 fluorescent lamps without changing the ballast is simple with the Philips HF Performer electronic gear. Featuring automatic lamp recognition this Pi Intelligent ballast optimises system efficiency whilst the universal connector allows horizontal-manual or push-in robot wiring. Further benefits include programmed start movement detection control suitability and automatic restart. For use with 14/21/24/39 Watt lamps this gear is designed for indoor applications such as offices hospitals supermarkets and educational establishments.