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 garage door anti-theft device that will avoid the door from sinking in and pulling away. Heavy duty welded steel frame and tube with a polyester powder-coated finish. Protection is made with an external heavy duty lock anchor fixed in the ground...