{"product_id":"m500m-monitor-module-two-wire-system-sensor","title":"M500M MONITOR MODULE TWO-WIRE – SYSTEM SENSOR","description":"\u003cp\u003eThe System Sensor M500M Monitor Module provides reliable two-wire monitoring for fire alarms, supervisory devices, and security equipment. This fault-tolerant initiating circuit supports normally open contact devices and accommodates both normally open and normally closed security devices. Designed for intelligent two-wire systems, the M500M features built-in rotary decade switches for individual module addressing. Install with confidence in any fire alarm control system requiring dependable contact monitoring and device supervision.\u003c\/p\u003e","brand":"Fire Alarm Supplies","offers":[{"title":"Default Title","offer_id":67691382505657,"sku":null,"price":119.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/2263\/6473\/files\/M500MMonitorModuleTwo-Wire_9f9a9e07-e49d-4054-b7b4-31914e2da232.jpg?v=1791750966","url":"https:\/\/firealarmsupplies.com\/products\/m500m-monitor-module-two-wire-system-sensor","provider":"Fire Alarm Supplies","version":"1.0","type":"link"}