GE Lamps Halogen reflector lamp with medium screw base is made of soda lime glass. Lamp measures 2.500 inch diameter x 3.130 inch. It has a voltage rating of 120 volt and power rating of 38 watt. It is energy-efficient use less energy than standard halogen bulbs and suitable for indoor floodlight. Great for use in directional fixtures such as can lightingEstimated yearly energy cost is $4.58 based on 3 hours per day $0.11 kWhLasts 1.4 years based on 3 hours per day usagePAR20 indoor floodlight with medium base2750K soft white light appearance490 lumens providing cozy, relaxing lightUses 38 wattsGE energy efficient halogen bulbs deliver crisp, white light. This unsurpassed light quality is ideal for adding depth, drama and interest to any room. These GE energy-efficient halogen floodlights use less energy than standard halogen bulbs, saving