We offer many types of lock,such as Electric deadbolt,Electric dropbolt,Electromagnetic lock,Magnetic lock,Electric strike,Panic exit device,Panic bar,Exit control lock ,Bracket for magnetic lock and Bracket for electric deadbolt and so on

It is suitable for factory .supermarket, office building, amusement building ,etc .It is nice design ,very strongly, easy to install ,quickly and very safety . illegal pass is forbidden.
Have alarm inside , voice sounds 80 decibel. Double door can choice double door device or other security products to use.
9 V battery can use 18 months