{"product_id":"b0cc9dxtvb","title":"QWORK MC-31 NC Wired Magnetic Door Window Contact Sensor, 20 Pack with 80 Screws, Surface-Mount White Plastic Alarm Reed Switch for Doors Windows Cabinets","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eNC MAGNETIC CONTACT SENSOR: Surface-mounted wired magnetic door\/window contact sensor (MC-31, NC). Magnet close = circuit conductive; magnet separated = circuit disconnected—ideal for wiring into security alarm loops.\u003c\/li\u003e\n\u003cli\u003e8MM ACTUATION GAP: Designed for an actuation distance of 8mm ±18mm to help maintain reliable open\/close detection during everyday door and window movement; suited for common home security system wiring.\u003c\/li\u003e\n\u003cli\u003eSURFACE-MOUNT FOR QUICK RETROFIT: Screw-on design for fast installs on doors, windows, cabinet doors, and storage rooms—use for perimeter monitoring where recessed\/drilled contacts aren’t convenient.\u003c\/li\u003e\n\u003cli\u003eMATCHED HOUSING \u0026amp; HARDWARE: White plastic housings blend with frames; mounting hole diameter 5.8mm. Set includes 20 sensor\/magnet pairs plus 80 screws to equip multiple openings in one project.\u003c\/li\u003e\n\u003cli\u003eINSTALLATION NOTES: Keep the sensor and magnet aligned and on the same plane; verify the gap stays within the actuation range across the full swing. Package includes 20 sets (64×12×12mm \u0026amp; 64×20×12mm) and screws.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eOperation Mode : automatic\u003c\/li\u003e\n\u003cli\u003eContact Type : Normally Closed\u003c\/li\u003e\n\u003cli\u003eConnector Type : Screws\u003c\/li\u003e\n\u003cli\u003eBrand : QWORK\u003c\/li\u003e\n\u003cli\u003eSwitch Type : Nc Switch\u003c\/li\u003e\n\u003cli\u003eTerminal : Screw\u003c\/li\u003e\n\u003cli\u003eMaterial : Plastic\u003c\/li\u003e\n\u003cli\u003eCircuit Type : 1-way\u003c\/li\u003e\n\u003cli\u003eMounting Type : Surface Mount\u003c\/li\u003e\n\u003cli\u003eActuator Type : NC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"QWORK","offers":[{"title":"Default Title","offer_id":68128221200583,"sku":"SPH-B0CC9DXTVB","price":34.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/6147\/9623\/files\/41dWx15gJzL._AC_SL1500.jpg?v=1793291050","url":"https:\/\/ready-home-supply.com\/products\/b0cc9dxtvb","provider":"READY HOME SUPPLY","version":"1.0","type":"link"}