Specifications:Output Power:1WSize:20mm / 0.79inch(Dia)Input voltage:3.2-3.4VCurrent:280-350mAMaterial:Aluminum,Plastic Light Color:Warm white(3000K)Package Content:5 pcs x LED Chip Description:1.Made of material, durable for daily use.2.Very low heat generating, saving energy.3.Long service life,low consumption, high brightness.