Sound-activated, wireless fire door holder automatically releases when the fire alarm sounds, preventing the spread of smoke and fire. Integral ‘Dual Mode’ uses 'listen and learn' technology to learn the sound of a fire alarm which helps prevent...

Heavy duty steel construction with an electronic combination lock. Up to 1 million code variations available. Double-walled with fire protective material. Supplied with an adjustable internal shelf. Can be used on wall or floor. Electronic Combination...