1.output power:3W 2.LED type:SMD5730 3.Luminous intensity:1200LM 4.Beam angle :120° 5.Maximum size :mm 6.Housing material: aluminum alloy+PC+PMMA. 7.Lifespan:50000H. 8.Warranty:2 years . LED Bulb Quality Control 100% of the LED light will be tested by the professional aging machine , Each lamp should pass all the QC procedures before packing .