... in Europe&America CE ISO 9001 Long warranty period BULB LED: Bulb led, led bulb lamp, 1w/3w/5w/10w ABOUT MANUFACTURER: Tangshan ... in the wind-power electricity and exploitation of solar energy, LED products, taking possession of dozens of independent intellectual property rights ... &Working voltage: AC 110-240V &Base Type;E27/14 &LED:>23 lumens &Viewing Angle:120-140 degree &lifetime:60,000H ...