UNION J-8755A-WHITE DoorSense Acoustic Release Device - White

DoorSense-Acoustic-Release-Device-Black-UNION-J-8755A-WHITE-p-UNION-DoorSense-is-a-standalone-unit-which-can-be-fixed-to-a-fire-door-in-seconds-to-provide-a-reliable-way-to-keep-it-open-but-will-automatically-release-if-the-fire-alarm-sounds-DoorSense-is-incredibly-easy-to-install-needing-no-wiring-or-special-skills-it-can-even-use-the-same-footprint-as-some-older-units-p-p-Once-fitted-DoorSense-is-powered-by-two-Alkaline-C-batteries-for-long-working-life-and-has-a-low-battery-in

Price: 194.72 from Rapid Online Rapid Electronics Ltd.