Specification: Power:3W 5W 7W 9W 12W 15W 18W Voltage:AC220-240V(220V 230V 240V) Led Chip Model:SMD2835 Color Rendering Index:>Ra85 Color Temperature:Cold White 6000-6500K,Warm White 2800-3200K Lumen: 100lm/w Beam attitude :120 degree Lifespan:>20,000 Hours Housing material:Aluminum Features: High Brightness / Enlarge Light / Fast Heat Dissipation High Lumen / No Flicker / Energy Saving High high quality SMD Chip save more calories MOV for surge protection>4000V passed Constant recent and incessant energy management NTC sensor for pcb overheat defense Voltage-regulator for ic vdd protectio Driver IC, over voltage and over latest control