... base 2High lumen output,310lm for white 3LED quantity:30 pcs,SMD3528 type LED energy saving lampFeatures:1.Base type:E27, ... White, Warm white3.Aluminum body, ceramic base, electroplate chrome for surface.4.Ambient temperature:-200C -- 400C5.Color temperature:2800- ... test7.High lumen output,310lm for white,equivalent to 40w incandescent8.Use ceramic socket for better insulation and heat dissipation9 ...