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Detects standard "yelp" siren patterns used by emergency vehicles
Standard wiring connections
13-16 second opening time per 90 degrees
The DoorKing 4405-012 Circuit Board
Maximum gate width 22-feet
DoorKing 1720-080 Light Kit Doorking 1834 Detects standard "yelp" siren patternsCLICK HERE FOR BROCHURE DoorKing 1720 080 Light Kit (long) Use with 1803, 1810, 1833, 1834, 1835 and 1837 surface mount units Use with surface mount telephone entry systems and model 1710 add on directory 1. 88H x 11. 25W x 6. 13D Weather resistant housing Vandal resistant heavy duty metal box Power transformer included
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