... color temperature to meet different application.4.Over 85% energy saving than tranditional incandescent light.5.Lifetime up to 50000H,it ... safety and stability7.No radiation, no flicker ,no ultravioletApplication of LED spot lightvilla, meeting room, office, school,hospital,residential lighting. ... to electronic ballast.2.please make sure it is intalled with power off.3.can not be applied to dimmer ...