Dorgard SmartSound™ Dorgard SmartSound is a wireless solution for legally holding open fire doors, automatically releasing them to close when a fire alarm sounds. SmartSound technology means the door units are not triggered by the noise of a vacuum cleaner. Benefits •New SmartSound technology — not triggered by vacuum cleaners •Three-year battery life (2 x LR14 C-size batteries included) and three-year warranty •205mm(H) x 195mm(W) x 45mm(D) •Carpet friendly — leaves no marks •Can be fitted to any door up to 160kg in weight and 1600mm wide •Suitable to up to 60-minute fire doors •EN1155, EN1634, EMC Directive, Radio Equipment Directive, CE Marked •Suitable for Category B installations under BS7273-4 2015 •ABS plastic housing •No programming, just fit and forget •Installed in under five minutes How Dorgard SmartSound works •Wireless technology — battery powered
•Fire doors can be held open at any angle
•Responds when alarm is activated
•As soon as alarm is activated, the plunger is released and the door will close Alternative products Also available in black (177-0149)