12 Light Emitting Diodes, 4 Blue, 4 Red, 4 Orange, arranged. in an MR16 lamp enables fitting in any MR16 luminaire. The lamp cycles through a pre-set sequence of colour. changes from Blue to Red to Orange. The sequence cannot. be changed. Multiple lamps will not run in synchronization. An exceptionally long lamp life of up to 50,000 hours makes. lamps ideal for inaccessible locations. Very low power consumption (1.2W) and heat generation. for highly efficient operation and low operating costs. For use with 12V constant voltage LED drivers. Non-dimmable. PLEASE NOTE: DC OUTPUT - CORRECT POLARITY MUST. BE OBSERVED IN ORDER FOR LV LED LAMP TO OPERATE.. MAXIMUM LENGTH FROM DRIVER TO LAMP IS 20M.