CBConcept UL-Listed MR16 GU5.3 LED Bulbs, 10-Pack, 5 Watt, Dimmable 500 Lumen, Warm White 3000K, 36&deg;Beam Angle, 12V, 50W Halogen Equivalent, Recessed/Landscape LED Lighting | Designed In San Francisco UL Listed. Meets your local electric code and safety standard. | Designed In San Francisco Superior quality components are used compare to non UL-listed light bulbs on the market. Save over 85% instantly with your electric bill. Directly replace halogen MR16 light bulbs Extended useful lifetime, CRI85+, flicker-free, no UV and IR radiation. Newly patened design for max brightness and balanced lumination. Perfectly fit into all MR16 standard socket. Hassle Free warranty from CBconcept to assist you finding and using the best light bulbs in the market.