... -4800K); CW(5500-6500K)Light SourceCREE OR EPISTAR Chip led ( 7*1w )Ambient Temperature-20°C~45°CLamp bead Life50000 hours ... in the beam, mercury free.6. Anti-shock, anti-moisture.7. Long lifespan, higher than 50,000H.8. CE, RoHS certified ... . living room, bedroom, kitchen, washroom6. conference, meeting room, showroom, showcase 7*1w lighting track