Geofire Agrippa Acoustic Door Holder White.
Digital acoustically triggered door holder Learns the sound of your fire alarm.
Battery powered supplied with two alkaline C cell batteries.
Easy, wire free installation and programming 10 minute installation .
Daily timed release option 200N holding force .
Suitable for doors up to power size 5 .
Conforms to BS EN1155 and accepted by UK fire brigades.
CE marked under the Construction Products Regulation.
EMC approved.
Not suitable for voice evacuation systems.
Finish: White