Philips MASTER - LED HID SON-T Ultra Efficient lamps are an easy LED solution with the highest efficiency to replace High-Intensity Discharge (HID) and HighPressure Sodium (SON) lamps. MASTER – LED HID SON-T UE solutions bring the energy efficiency and long lifetime benefits of LED to HID replacement, providing instant savings for low energy costs. With the right lamp size and light distribution, you can easily use MASTER – LED HID SON-T UE lamps into existing SON and SONT systems, enhancing the lighting quality with LED by removing the luminaire’s ballast for direct Mains working, gaining additional savings. Warnings and Safety • Installation should always be performed by a qualified electrician or installer. Use the installation guide for instructions