This OSRAM MR16 Halogen Bulb has a watt of 150 and a ANSI code of EKE/X. The reason behind the EKE/X is because it has a longer life than the regular EKE bulb. The rated life on this bulb is 1000 hours and has a base of GX 5.3 2-Pin. The color temperature is 3150k and 80 lumens. Applications Fiber Optics 8mm Projection Features OSRAM EKE-X Tungsten Halogen Bulb MR16 Lamp