---
product_id: 298959664
title: "433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems"
brand: "kerui"
price: "408 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/298959664-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home-security
store_origin: RO
region: Romania
---

# Omnidirectional antenna Low-voltage alert Easy install 433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems

**Brand:** kerui
**Price:** 408 Lei
**Availability:** ✅ In Stock

## Summary

> 🔒 Secure your space, effortlessly!

## Quick Answers

- **What is this?** 433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems by kerui
- **How much does it cost?** 408 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/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

- • **Seamless Setup:** Effortlessly peel and stick for instant security.
- • **Smart Integration:** Designed to work with your existing home alarm system.
- • **Reliable Protection:** Magnetic sensor ensures your home or office is always monitored.
- • **Battery Life Guardian:** Low-voltage reminder keeps you informed and secure.
- • **Enhanced Connectivity:** Built-in omnidirectional antenna for superior signal strength.

## Overview

The 433MHz Wireless Door/Window Magnetic Sensor is a user-friendly security accessory designed to enhance your GSM home alarm system. With easy installation, a built-in omnidirectional antenna for improved signal sensitivity, and a low-voltage reminder feature, this sensor ensures your property remains protected without the hassle.

## Description

Easy to install--just peel and stick

## 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 |
|---------------|-------|
| Battery Description | 12V |
| Brand | KERUI |
| Color | White |
| Compatible Devices | Home Security System |
| Number of Batteries | 3 12V batteries required. (included) |
| Power Source | Battery Powered, dc |

## 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.

## 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

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**Shop now:** [https://www.desertcart.ro/products/298959664-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home-security](https://www.desertcart.ro/products/298959664-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home-security)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-04*