Power (W): 10/16/20/30/32/40/48/64; Power factor: 0.5/0.9; Voltage (V): 100�·277/120/220�·240; CCT (K): 3000/4000/6500; Luminous efficacy (lmW): 100; CRI (Ra): 80/90/Sunlike; Life span (hrs): 30,000; Flickerfree; CE KC certified can apply for other standards as requirements; Warranty: 2 years; OEM accepted;