Plusrite 3499 - Case of 15 - 38PAR20/ECO/FL/120 Indoor/Outdoor use, 38 Watt Halogen Eco = 50 Watt Halogen 36 Degree Flood, 520 Lumens Applications- Landscape, Residential, Office, Track, Accent, Retail/Display, and many more 1500 Life Hours, Estimated Energy Cost per year $4.58 base on 3 hour day @ 11 cents kwh. Expected life 1.4 years