Specification: Power:3W 5W 7W 9W 12W Voltage:AC220-240V(220V 230V 240V) Led Chip Model:SMD2835 Color Rendering Index:>Ra85 Color Temperature:Cold White 6000-6500K Lumen: 90lm/w Beam attitude :120 diploma Lifespan:>50,000 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 handed Constant latest and constant calories management NTC sensor for pcb overheat protection Voltage-regulator for ic vdd protectio Driver IC, over voltage and over latest management Note: 1 allow 1-2cm errors due to instruction manual measurement, just be sure you do not intellect earlier than you order. 2 to the variation between different monitors, the picture won't reflect the actual coloration of the item.