{"product_id":"kerui-d121-wireless-door-window-magnetic-sensor-alarm-120db-anti-theft-300ft-remote-control-detectors-home-security-alarm-system","title":"Wireless Door Window Magnetic Sensor Alarm","description":"\u003cp\u003eWireless Door Window Magnetic Sensor Alarm gives you instant protection the moment a door or window opens. This wireless alarm keeps your home safeguarded with dependable, easy‑to‑use security.\u003c\/p\u003e\u003ch2\u003eWireless Door Window Magnetic Sensor Alarm – Benefits for You\u003c\/h2\u003e\u003cp\u003e✅ Sends an immediate loud alert so you can react quickly to unexpected entry.\u003c\/p\u003e\u003cp\u003e✅ Installs without wiring so you can secure any door or window in minutes.\u003c\/p\u003e\u003cp\u003e✅ Expands with additional sensors so you can build protection that fits your entire home.\u003c\/p\u003e\u003cp\u003e✅ Runs on standard batteries so you stay protected even during power outages.\u003c\/p\u003e\u003cp\u003e✅ Works completely standalone so you avoid app setups, hubs, or complicated systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStrengthen your home’s first line of defense with a smart alarm that responds the moment it’s needed.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis compact sensor alarm uses a magnetic contact design that activates a piercing 120dB siren whenever the door or window is opened. Its wireless build helps you place it anywhere you want enhanced security without drilling or tools.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hc25ec7e444a84335871244945c82652ez.jpg\" alt=\"White magnetic door and window sensor unit on a flat surface\"\u003e\u003cp\u003eThe included remote control lets you adjust settings from a distance, giving you quick access to arming, disarming, SOS functions, and doorbell notifications. This flexibility makes it easy to manage security even when you’re in another room.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H0e7c36198bce4a5c8d89d4de2322b972l.jpg\" alt=\"Hand holding remote control for arming and disarming the alarm\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H5549bc7a5e474bde9f06a1895b3d419ev.jpg\" alt=\"Remote control showing SOS and doorbell modes\"\u003e\u003cp\u003eYou can use doorbell mode to greet guests or rely on SOS mode when you need to alert others. By adding extra sensors and remotes, you can gradually expand your setup to cover additional rooms, doors, or entry points.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H0c1a7720051b4aad9893addc8b4ec935N.jpg\" alt=\"Multiple alarm system components arranged together\"\u003e\u003cp\u003eThe system pairs with PIR motion detectors, smoke or gas sensors, and emergency buttons, allowing you to create a broader network of safety devices. With support for up to 30 connected accessories, it adapts easily to homes, offices, rentals, and workshops.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H5e910b0104d94e6bbeef0982bfc47646j.jpg\" alt=\"Diagram showing how multiple sensors link together wirelessly\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H0f92be0da93248e880903206b28c2c5dn.jpg\" alt=\"Sensor being installed using double‑sided tape on a doorframe\"\u003e\u003cp\u003eThe alarm sounds for up to 60 seconds at full volume, powered by two AAA batteries. A built‑in low‑battery indicator adjusts the alarm output to let you know when it’s time to swap batteries, helping you maintain uninterrupted protection.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H2983c5231ea34e4e950ca43087f09075E.jpg\" alt=\"Technical diagram displaying sensor specifications\"\u003e\u003cp\u003eIts compact size fits easily on most frames, and the stable 433MHz wireless link ensures consistent response in daily use. With a remote range of up to 300 feet, you can operate the system comfortably from across the room or down the hall.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H696a8d3b5cc14818b27a7502bf179d56M.jpg\" alt=\"Close-up of the sensor showing the low-battery LED indicator\"\u003e\u003cp\u003e\u003cstrong\u003eGive yourself greater confidence by securing your doors and windows with a reliable alarm that responds instantly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Spy-shop.com","offers":[{"title":"Alarm Kit 3 \/ CHINA","offer_id":52841068101962,"sku":"1005002899006281-Alarm Kit 3-CHINA","price":28.95,"currency_code":"EUR","in_stock":true},{"title":"Alarm Kit 9 \/ CHINA","offer_id":52841068134730,"sku":"1005002899006281-Alarm Kit 9-CHINA","price":62.95,"currency_code":"EUR","in_stock":true},{"title":"Alarm Kit 10 \/ CHINA","offer_id":52841068167498,"sku":"1005002899006281-Alarm Kit 10-CHINA","price":26.95,"currency_code":"EUR","in_stock":true},{"title":"Alarm Kit 8 \/ CHINA","offer_id":52841068200266,"sku":"1005002899006281-Alarm Kit 8-CHINA","price":43.95,"currency_code":"EUR","in_stock":true},{"title":"Alarm Kit 1 \/ CHINA","offer_id":52841068233034,"sku":"1005002899006281-Alarm Kit 1-CHINA","price":25.95,"currency_code":"EUR","in_stock":true},{"title":"Alarm Kit 4 \/ CHINA","offer_id":52841068265802,"sku":"1005002899006281-Alarm Kit 4-CHINA","price":33.95,"currency_code":"EUR","in_stock":true},{"title":"Alarm Kit 2 \/ CHINA","offer_id":52841068298570,"sku":"1005002899006281-Alarm Kit 2-CHINA","price":27.95,"currency_code":"EUR","in_stock":true},{"title":"Alarm Kit 5 \/ CHINA","offer_id":52841068331338,"sku":"1005002899006281-Alarm Kit 5-CHINA","price":45.95,"currency_code":"EUR","in_stock":true},{"title":"Alarm Kit 6 \/ CHINA","offer_id":52841068364106,"sku":"1005002899006281-Alarm Kit 6-CHINA","price":45.95,"currency_code":"EUR","in_stock":true},{"title":"Alarm Kit 7 \/ CHINA","offer_id":52841068396874,"sku":"1005002899006281-Alarm Kit 7-CHINA","price":57.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5980\/2954\/files\/wireless-door-window-magnetic-sensor-alarm-alarm-kit-3-china-mnl.webp?v=1770515344","url":"https:\/\/spy-shop.com\/et\/products\/kerui-d121-wireless-door-window-magnetic-sensor-alarm-120db-anti-theft-300ft-remote-control-detectors-home-security-alarm-system","provider":"Spy-shop.com","version":"1.0","type":"link"}