... Cross-ventilation design 3. Replaceable drivers 5 Inch Emergency 10W LED Down Light *Chip Source: Cree or Everlight Feature:1. Low ... UV infrared and other radiation ,shock vibration resistant8. Imported light source ensure high brightness,9. External constant- current driver, ... white11. Instant on, no warm up time required. Application:LED downlights are widely used in store, house, hotel, office, ...