--- product_id: 298959664 title: "433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems" brand: "kerui" price: "AED 140" currency: AED in_stock: true reviews_count: 5 category: "Kerui" url: https://www.desertcart.ae/products/298959664-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home-security store_origin: AE region: United Arab Emirates --- # 80m max wireless range Low-voltage battery alert Peel & stick easy install 433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems **Brand:** kerui **Price:** AED 140 **Availability:** ✅ In Stock ## Summary > 🔐 Elevate your home security game—because peace of mind shouldn’t wait. ## Quick Answers - **What is this?** 433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems by kerui - **How much does it cost?** AED 140 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/298959664-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home-security) ## Best For - kerui enthusiasts ## Why This Product - Trusted kerui brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Energy-Efficient Design:** High-performance circuitry ensures long-lasting protection with minimal power use. - • **Smart Low-Battery Alerts:** Never get caught off guard—flashing light signals when it’s time to swap batteries. - • **Robust 80m Wireless Range:** Stay connected across your entire property with a powerful built-in antenna. - • **Seamless Peel & Stick Setup:** Get your security up in minutes—no tools, no hassle. - • **Precision Magnetic Detection:** Instantly senses door/window openings to keep your space secure 24/7. ## Overview The 433MHz Wireless Door/Window Magnetic Sensor by KERUI offers an easy peel-and-stick installation with a built-in omnidirectional antenna for a reliable 80-meter wireless range. Designed to integrate seamlessly with GSM home alarm systems, it features a low-voltage reminder via flashing light and a high-performance, low-power circuit to ensure consistent, precise entry detection for your home or office security. ## Description Easy to install--just peel and stick Review: Alarm system - I installed this alarm system in my home garage. Very easy to use and works great. The siren is also loud. Review: Ok - Ok ## Features - Easy to install--just peel and stick - Built-in omnidirectional antenna - The door/windows alarm with built-in antenna to strengthen the signal, make it more sensitive - Can't work standalone - The door detector work with home alarm system,use as alarm accessories. - Low-voltage reminder function - When wireless door sensor is in low voltage, it will flash light all the time to remind user change the batteries. - Magnetic sensor switch detects entry protecting your home or office. Superior circuit design, High-performance and low power consumption. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00YE3FH2A | | Audible Noise | 58 Decibels | | Best Sellers Rank | #280,495 in Home Improvement ( See Top 100 in Home Improvement ) #825 in Home Security Alarms | | Brand | KERUI | | Colour | white | | Compatible Devices | Smartphone | | Control Method | App | | Country of Origin | USA | | Customer Reviews | 4.5 out of 5 stars 27 Reviews | | Item Weight | 2 Pounds | | Manufacturer | KERUI | | Maximum Range | 80 metres | | Mfr Part Number | 0302433KR-D | | Model Number | KERUI | | Mounting Type | Door Mount | | Number of Batteries | 3 12V batteries required. (included) | | Power Source | Battery Powered | | UPC | 703681028096 | | Voltage | 12 Volts (AC) | ## Product Details - **Colour:** white - **Brand:** KERUI - **Power Source:** Battery Powered - **Compatible Devices:** Smartphone - **Number of Batteries:** 3 12V batteries required. (included) ## Images ![433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems - Image 1](https://m.media-amazon.com/images/I/51O5msoz7AL.jpg) ![433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems - Image 2](https://m.media-amazon.com/images/I/71FX7FMvEqL.jpg) ![433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems - Image 3](https://m.media-amazon.com/images/I/61Gb-p2XWUL.jpg) ![433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems - Image 4](https://m.media-amazon.com/images/I/715gWK2K8dL.jpg) ![433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems - Image 5](https://m.media-amazon.com/images/I/61du4-dpcQL.jpg) ## Questions & Answers **Q: Are the door sensors weatherproof for use on a fence gate?** A: Hi friend, No, we are sorry that this wireless door/window sensor has not waterproof function and can only place inside door. **Q: I have 4 new motion detectors & door senors only one door sensors works red light works but no siron. any answer?** A: Did you make sure the siren was connected to a power source and all sensors in synchronized? Did you make sure the batteries in the motion and door/window sensors are good? Otherwise, I can not answer the question. My system works fine. **Q: Will this work with FJ008???** A: Hi friend, Yes, it is able to work with FJ008. Thanks. **Q: Does this work with AG Security system?** A: Hi friend, Generally our company's item can work with ours, we are not sure whether it can work with other company's, this door sensor works with 433 mhz. Thanks. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Alarm system *by T***7 on 23 October 2024* I installed this alarm system in my home garage. Very easy to use and works great. The siren is also loud. ### ⭐⭐⭐⭐⭐ Ok *by A***R on 14 April 2026* Ok ### ⭐⭐⭐⭐⭐ Excellent with online security system *by E***U on 20 August 2023* clear instructions and easy to setup ... works exactly as expected ## Frequently Bought Together - KERUI 433MHz Wireless Door/Window Magnetic Sensor for GSM Home Security Alarm Systems - KERUI Standalone Home Office Shop Security Alarm System Kit,Wireless Loud Indoor/Outdoor Weatherproof Siren Horn with Remote Control and Door Contact Sensor,Motion Sensor,Up to 115db,NO WiFi/GSM/APP - KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ae/products/298959664-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home-security](https://www.desertcart.ae/products/298959664-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home-security) --- *Product available on Desertcart United Arab Emirates* *Store origin: AE* *Last updated: 2026-08-21*