Led Energy Saving Lamp,energy saving lighting,led bulb: 1. Base: MR16/E27/E14 2. Material: Aluminium. 3. Energy Power:3W 4. Input Voltage: AC110V / 220V / 230V 50/60HZ 5. Power-supply Efficiency: 88%. 6. Luminous Flux: 300-330 LM 7. Led Life Time:50000 hours. 8. Ambient Temperature: -40°C - 85°C 9. Photosource Color: White/warm white/ Colors. 10. Angle: 120°. 11. Size: dia 50mm