Product Specifications Light Source: 3X1W Cree power LED Colors: White(5000K), Warm White(2800K) Source Life: More than 45, 000 hours Features: Low heat, no UV or IR light radiation Light Output: Typical 280lumens (for white color) Optics: White diffused glass lens Beam Angle: 120 degree (Flood) Rendering Index (Ra): >70 (warm white); >65 (natural white); >60 (cool white) Weight: 102g Heat Sink: Machined pure aluminum with anodize finish Available Color of Heat Sink: White, Black, Gray, Silver, Red, Orange, Yellow, Green, Blue Base Type: E26/E27/B22/E14 Dimmability: Not Dimmable Environmental Specifications Humidity Range: 0 to 95% non-condensing humidity Features 1. Instant "ON" to 100% brightness 2. No mercury or other inorganics 3. Highest optical efficiency: 70lm/watt for white color 4. Homogeneous flood illumination 5. Machined aluminum heat fins with excellent thermal efficiencies 6. The 3W LED bulb is available in the following white color temperatures: 2800K to 3500K (Warm White); 4000K to 5500K (Natural White); 6000K to 7000K (Cool White) 7. 3W LED bulb can achieve directional light output equal to 30W incandescent bulb 8. 1 year limited warranty 9. Safety Standard: CE