Specification Summary*: 規格簡要Product Code21R27DL3 (3in)Power (W)12~21WVoltage (V)220VLuminous Flux (lm)700~1800 lmColor Temp (K)2700K~6000KCRI (Ra)80* Please contact our company for detailed specifications.請與我司聯絡索取詳細規格書.