Satco Halogen excel lamps are the most cost effective replacements for traditional lamps. The next step in energy efficient incandescent lighting technology, halogen excel lamps save up to 30 percent over their less efficient predecessors. Even better, the light output and look of the lamps are virtually identical to the older technology, making these an easy choice while also being environmentally sound.; ; Brand Name: Satco Watts: 50 W Bulb Shape Type: T4 Bulb Type: Specialty Product Type: Halogen Bulb Lumens: 900 lm Light Color: Warm White Number in Package: 1 pk Average Rated Life: 2000 hr Color Temperature: 2900 K Three Way Bulb: No Diameter: 0.5 in. Length: 1.56 in. Volts: 12 V Packaging Type: Carded Finish: Clear California Title 20 Compliant: Yes Dimmable: Yes Watt Equivalence: 65 Bulb Base Type: GY6.35 UV-filter halogen capsule