3/4" Gap Magnetic Contact Mini Surface Mount Alarm Sensor AMS-10C-G, Gray, Door and Window

Compact magnetic contact sensor designed for door and window monitoring on alarm systems. The 3/4" gap model mounts flush to surfaces for discreet installation on residential and light commercial applications. Gray finish blends with most trim colors. Reliable reed-switch technology triggers alarm when magnetic field is interrupted, signaling unauthorized entry. Ideal for retrofit installations and tight spaces where standard sensors won't fit. Compatible with most wired alarm panels and wireless receivers.