... ,power:10W 3,beam angle:180 degree. 4,no noisy LED fluorescent tube (600mm)1,Optical attenuation: continuous work after 1000 hours ... ,pendering index/CRI: 74-90Ra.4,produuct lifespan50000-80000hs.5,LED current:15-18mA6,In each test 20mA each lamp have ...