... :DC12V/24V,AC110V/220V Light power 10W, color: red,yellow,green,blue flashing beacon Adopting imported high quality impluse xeon tubes with ... service time higher htan 50,000,000 flashing times,No mechanic abrasion,No noise,high luminous efficiency,anti ... is the popular cold light source in Warning light,No hot,service time for more than 100,000 hours.and Save energy. flashing light