• LED quantity: 28pieces cree Xlamp
• Luminous efficiency: >2100lm
• Input voltage: 100 to 240V AC, 50/60Hz
• Input power: 28W
• Power factor: >0.9
• Power efficiency: >90%
• Lighting efficiency: >80%
• Wavelength:2700k- 6500K
• Coloration index: Ra>80
• Working environment: environment temperature -40 to 60?C, relative humidity 10 to 98%
• Storage temperature: when it doesn't work, the storage temperature is -35 to 80?C
• Lifespan: greater than 50,000 hours
• Material: aluminum alloy, PC and toughened glass
• IP rank: IP67