Overview:17.6mm soft silicone tailcap for flashlights Black coloured Good for DIY projects Luxeon K2 LED emitter Highest operating junction temperature available, 185°CTypical Driving Current: 1000m Ah Driving Voltage: 3.27~3.51 V Color Temperature: 6700K White Lumens: 100 Package Included:1 x LED Emitter Specification: Product:0.79 in x 0.47 in x 0.2