Magnetic Point Security Detector for Doors and Gates - IO 102-20 A3P for Reliable Security

Designed to block garage doors, hangars, railway containers, telephone cabinets and other structural magnetoconductive (metal) and magnetonevoduyuschih (aluminium, wood, etc.) elements of buildings and structures to open or displacement with the issuance of alarm notification by opening or closing the contacts of the reed. Switching. Plastic housing, non-disassembled. Without protective corrugated sleeve.