Part name:LED MR16 1W/3W Base type: Gx5.3 Input voltage: DC 12V Power consumption: 1x1W/1X3W Full range of colors: cool white, warm white, blue, green ,red,yellow Light source: Edison,Cree Luminous flux: 1W:75lm (Edison),80.6lm(Cree);3W:127.5lm (Edison), 137.02lm(Cree) Beam angle: 30/45 Degrees LED working temperature: <63 Celius degreee Temperature: -40 ~ 70 degree Celius Light attenuation quotiety :3% - 5% Life span: 50,000 hours Dimension of body: ?50x52mm(diameter x height) Material :ALUMINIUM HOUSING Safety Standard: NO UV OR IR RADIATION SAFETY ASSURANCE: CE&ROHS -------------------------------------------------- Application: Replacement bulbs for general lighting, especially for museums, art galleries, cosmetic counters where UV or IR radiation is undesirable.