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.
You can choose which cookie categories you allow. Essential cookies are required for the website to work and cannot be turned off. Cookie Policy
Essential Cookies
Always activeUsed for your language preference, your cookie preference, session handling and security (Cloudflare).
Allows us to measure statistics such as visit counts and page usage with Google Analytics. Data may be processed abroad by Google LLC.
Enables YouTube videos to be shown on product pages. When a video loads, YouTube may set cookies.