... AC240VMax. alarm output9Max. control light8Flash rate30~60 ... control by photocellAlarm output when outdoor photosensor faultProduct FileModel: FR109On Stream Date: Aug. 2010Applications: High building, tower, crane, high chimney, lighthouse, high ... voltage cable tower, oil well, etc.Standard: MH-T 6012-1999; ICAO Annex 14 Aviation Obstruction Light Synchronize Control ...