5mm Led diode, all led diode applied by ISO 9001, 1. current: 20Ma 2.foward current: 20Ma 3.reverse voltage: 5V 4. Voltage 30-3.8V 5.Luminous intensity: (1v=20Ma):3000-4000mcd 6.viewing angle: 10-140degree 7.vailable in various dimension of 3.5 and 8mm 8.shape: round, straw and flat head 9.lens type: water clear/color diffused 10.circuit/drive type: common anode or cathode 11: operating temperature range: -40 to +80 degree celsius 12. storage temperature range: -40 to +100 degree celsius 13. liftspan: 100,000 hours