... sink.3.warraty:2 years 4.Life span:50000hrs led downlight COB with 2years warranty Feature:1. Low power consumption, ... UV infrared and other radiation ,shock vibration resistant8. Imported light source ensure high brightness,9. External constant- current driver, ... no warm up time required. Application:LED downlights are widely used in store, house, hotel, office, display window, exhibition ,halls and ...