Specification:Voltage:AC85-265VWattage:10W\/20W\/30WLight source:LED chipLight color:warm white、 whiteColor temperature:3000-5500KFlux:100-110LMMaterial:Aluminum+iron+PVC10W size:150*135mm(D*H)  hole:135mm20W\/30W size:185*160mm(D*H)  hole:170mm Features:Saving energy more than 90% by ordinary bulbs.No RF Interference and no mercury or other hazardous materialslighting angle can be adjustable according to your needPerfect for home use、 office、 store、 super market、 bars、 cafe、 exhibition、 halls、 museum hotel、 etc Package Included:1*LED Lamp