... :50000hrs 4,Warranty:3 Year High Lumens COB E27 4W Candle LED Bulb Features: a) Top quality light source, the attenuation ... application. j) Easy to install, a perfect replacement for traditional bulbs. k) 50000hours lifespan (LED), 10 times more than traditional ... bulbs.l) Strict quality control, 72hrs aging and complete inspection before ...