... lifespan, suitable for any design of LED lamp’s structure and shape, with LED lamp’s distinguished feature.By using super bright ... lightColor Temperature5000-7000K CW (cool white)3700-5000K PW (pure white)2700-3700K WW (warm white)Lumens500-750lmLuminous Efficacy60~90 lm/ ... , 1pcs pack in white box without any printing, 100pcs pack in carton. Dimension Drawing: led bulb, led bulb light, led light bulb