CSA 401-TF-M-3 Concealed Magnetic Contact for intrusion alarm systems, ideal for protecting tilt-and-turn doors and windows made of aluminum, wood, and PVC. Made of brown thermoplastic with a thickness of just 4.5 mm, it features a wired connection with a 3-meter cable and tamper protection. The concealed mounting ensures a discreet installation and reliable protection of the fixtures. Eaton-CSA