... ,000hrs11. Warranty2 years12. Luminous Efficiency:>80lm/W Feature of LED spot light1.Light body was made of high thermal conductivity ... safety and stability7.No radiation, no flicker ,no ultravioletApplication of LED spot lightvilla, meeting room, office, school,hospital,residential lighting.Caution1 ... to electronic ballast.2.please make sure it is intalled with power off.3.can not be applied to dimmer ...