Features
High-strength aluminum alloy, durable and suitable for iron doors, wooden doors, stainless steel doors, security doors, fire doors, framed glass doors, etc.
Hexagonal screw with screw wrench, security anti-theft, bottom with shading, very high-end atmosphere
Stable suction, multi-standard optional
With signal feedback function, can be used with alarm system, higher security
https://www.chinaautomaticdoor.com/accessories-for-atuomatic-gate-door-opener/electromagnetic-lock-for-fire-doors.html