The Osram Halopin Eco G9 20w (=25w) with a G9 cap. This lamp has a 2000 hour life and is rated at 20w watt, this gives an equivalent wattage output of 25w. Your current product may have one of the following printed on it: Philips EcoHalo MV G9 Capsule. The lamp is classified as a Energy Saving Halogen product. 30% energy savings | Cost-effective halogen alternative for simple direct replacement of classic light bulbs | Constant brightness throughout the life of the lamp. For full specifications please see the 'Additional Information' tab below.