Item No.:AK-3501-2.5''-7W Input Voltage:AC100-245V Chips/Brand:COB / CREE Power/LM:7W/500LM Size:D85*47.5mm Out-cutting:f68mm Avaliable CCT: Warm white:3000K;Day white:4000K White:6000K-6500K Power supplier:IC/Isolated Diffuser:PC Housing:Aluminum ring/Matt WH Heat sink;Aluminum Ambient Temperature:less than 60°C Warranty:2 Years