1.UV Led keychain light 2.light:uv led 3.Material : Plastic 4.Color: red,green,blue,purple,yellow,black,transparent UV led keychain light:red,green,blue,pruple,yellow,black,transparentPlease see the specification of the uv led in the following: UV LED E Series : Part NumberSize (MM)Working Current IF(mA)Forward Voltage VF(V) Wavelength λD(nm)Optical Output (mw)Viewing Angle(°)TH-UV365S2EA5203.6-4 ...