Window / Door Detector

The OPT-RFMC-111 is a magnetic contact detector that activates when a door or window is opened and the magnet separates from its sensor. It immediately sends a signal to connected systems such as light controllers or alarms. An anti-tamper function triggers an alarm if unauthorized interference occurs.

Powered by a 3 V CR2032 battery, it offers approximately 1 year of battery life, extendable up to 3 years by disabling the LED indicator. Low battery status is notified to the user. With its compact design, it can be easily installed anywhere and offers a reliable communication range of 120–160 meters in open space.

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