... certification 3. low lumen depreciation 2011 new product led ceiling light1.Dimmed by traditional dimmer2.CE and Rohs certification 3 ... cool white, warm white, blue, green ,red,yellowBeam Angle: 120°-140°Operation temperature: 0° - +50°Fixture Material: AluminumLife Span: 40000 ... help you to design and make. 2011 NEW PRODUCT LED CEILING LIGHT1. Certificate: CE, RoHS2. Led bulb lifespan: 40000hours3. ...