... led bulb 1>Aluminum body. 2>High lumen output,310lm for white. 4>2-3years warranty. 5>Factory direct sale. Specifications of MR16 led ... bulb1>Aluminum body, ceramic base 2>High lumen output,310lm for white3>2-3years ... Red,Yellow,White,Warm white,Blue,Pink3.Aluminum body, ceramic base, electroplate chrome for surface.4.Ambient temperature:-200C -- 400C5 ...