... :3 YearsCertificates:CE,RoHS,TUV,ULProduct Advantage:No RF interferenceLifespan: 50,000-80,000 hoursLow power consumption, high intensityLower heating during ... : -40to+50 degree CelsiusOur advantage:1), Good material, High quality , (CE,RoHS,TUV,UL)2).Research and development by ourselves in close cooporation ... can tell you the cost according to your order high-quality led cornlight E27/E26/E14/B22