1.LED Light Bulb approved CE, RoHS 2. ... D250xH336mm 3.100-240V/AC 4.E39/E40 Lamp Base 5.Fin Aluminum Heatsink Features of LED ... Light Bulb 1. Compared to tradtional LED heatsink, our dissipating area is bigger, air convection is better.2. With ... , 4000-4500K, 2700-3200K11. CRI: >80RaApplications of LED BulbWidely used in factory, supermarket, theatre, convention center, ...