GOOLSUN 5-watt GU10 LED COB Flood Bulb, 5000K Cool White, Dimmable, 90&deg; Beam Spread, 50-watt Equivalent, 500 lumens, CRI 80+, AC 120V, 2.4" Length, 6-Pack 5000K - Cool White. This bulb provides a cool white light, that is ideal for places that need to give a fresh feeling, such as office lighting and outdoor lighting, etc. Suitable for Recessed, Track and Pendant Lighing Fixtures. Save over 90% energy cost by replacing 50W halogen bulb with GOOLSUN@ 5W LED GU10 Flood Light Bulb. Easy installation. Standard MR16 shape with GU10 base. Can be directly fitted instead of ordinary halogen bulbs. Reduce re-lamp frequency with GOOLSUN@ guaranteed lifetime of 50,000 rated hours (17 years with 8 hours/day 365 days) DIMMABLE. Authentic Halogen-to-LED replacement design. The next generation COB LED diode with a single large center diode provides a nice, diffused level of light with smooth DIMMING capabilities. 90 Beam Spread wide beam angle. Operating Temperature of -22F to 130F, - Ideal for both indoor and outdoor applications, Shatter Resistant, Instant-on, Runs cool with minimal heat output.