Fireco Fire Door Retainer Adjustable Black + 2x C Battery

Dorgard Fire Door Retainer is made of ABS plastic with EN7 power size. It is a wireless fire door retainer which allows you to keep your fire doors open. The Dorgard enables the door to automatically close on the sound of the alarm. A closed fire door prevents the spread of fire. Includes floor plate bump stop and floor plate flush. · · · Timed daily release · · Closed fire door prevents the spread of fire · · Hold open at any angle · · ABS plastic Case · · Designed for use in areas with slippery floors