Input Voltage: 100-240VAC Efficiency: >80% Output Power: 9W Luminous Flux Output: >540 lumens Rendering Index(CRI): >70 Beam Angle: 30±5 Degrees Brightness attenuation: 5%-7% 10KH Light Source: 9*1W high power LED Color Temperature(CCT): 2800-8000k Housing : Gold Demension: ¢173 X H81±1mm Weight: LED'S Operating Life: 50,000Hours Warranty: TWO years