... Light 1.Manufacture,also OEM 2.Warranty:2years 3.Low lumen attenuation, 4.CE,RoHS certification Circular Ceiling LightModule No:GM-CL1W-1 ... 90%Operating lifespan50,000-60,000hoursweight0.15kgLight SourceCree,EdisonApplications:1. Recess lighting, Shelf Lighting, Ceiling /Wall ... Office work station3. Back lighting, Step Lighting, Light boxes4. Merchandising, Exhibition stands and panels Picture ( ...