Leapair Dimmable R7S J189 LED Replacement Bulb (10-Watt, Warm White 2700-3200K) Compatible with R7S lamp holders, upgrade your halogen double-ended tube lights with this energy-saving LED bulb Made with Epistar LED chips and 48 5730 SMD LEDs, this bulb's average operating life is 50,000 hours and delivers 1000 lumens to brighten your workshop, garage, patio, and more Simply install as you would a halogen bulb, pressing it into place on the lamp bulb holder Low power consumption uses up to 80% less energy than an ordinary halogen bulb Each box contains one bulb measuring 4.6 inches long by 2 inches wide by 1.2 inches thick, covered by Leapair's 1-year warranty