Emitting 110 lumen per watt, this 60 Watt rated American Daylight LED Clusterlite bulb from Venture lighting offers a 360 degree beam angle ensuring minimal shadow and optimum lighting conditions and an impressive 50,000 hour lifespan. This Edison Screw bulb has been awarded an energy efficency rating of A and an IP rating of IP20 and is an ideal retrofit replacement for any existing luminaires in industrial units, work areas, streetlights and security applications. This Corn bulb is non-dimmable and benefits from thermal cooling and a 2 second warming up period.