---
product_id: 41716122
title: "KERUI 433MHz Wireless Door/Window Magnetic Sensor for GSM Home Security Alarm Systems"
brand: "kerui"
price: "30171CFA"
currency: XOF
in_stock: true
reviews_count: 4
category: "Kerui"
url: https://www.desertcart.sn/products/41716122-kerui-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home
store_origin: SN
region: Senegal
---

# 433MHz omnidirectional antenna Low-voltage battery alert Peel & stick easy install KERUI 433MHz Wireless Door/Window Magnetic Sensor for GSM Home Security Alarm Systems

**Brand:** kerui
**Price:** 30171CFA
**Availability:** ✅ In Stock

## Summary

> 🔐 Elevate your security game—because peace of mind shouldn’t wait.

## Quick Answers

- **What is this?** KERUI 433MHz Wireless Door/Window Magnetic Sensor for GSM Home Security Alarm Systems by kerui
- **How much does it cost?** 30171CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/41716122-kerui-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home)

## 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

- • **Effortless Setup:** Peel and stick installation means no tools, no hassle—get your security up and running in minutes.
- • **Smart Battery Alerts:** Never get caught off guard with a flashing low-voltage reminder that keeps your system powered and protected.
- • **Energy-Efficient Design:** Superior circuit engineering delivers high performance with minimal power consumption, extending battery life.
- • **Seamless Signal Strength:** Built-in omnidirectional antenna ensures ultra-sensitive detection and reliable connectivity across your home or office.
- • **Integrated Security Boost:** Designed exclusively to work with your GSM home alarm system, enhancing your existing security network effortlessly.

## Overview

The KERUI 433MHz Wireless Door/Window Magnetic Sensor is a battery-powered security accessory designed to integrate seamlessly with GSM home alarm systems. Featuring a built-in omnidirectional antenna for enhanced signal sensitivity, easy peel-and-stick installation, and a low-voltage battery alert, it offers reliable, energy-efficient protection for your home or office entry points.

## Description

Buy KERUI 433MHz Wireless Door/Window Magnetic Sensor for GSM Home Security Alarm Systems: Home Security Systems - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Works great. Money well spent. - Works great
Review: Great add on - We purchased this to add to the main system. Very easy to pair with the main system. Good price point. Arrived in good condition and on time.

## 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

- **Battery Description:** 12V
- **Brand:** KERUI
- **Color:** White
- **Compatible Devices:** Home Security System
- **Power Source:** Battery Powered, dc

## Images

![KERUI 433MHz Wireless Door/Window Magnetic Sensor for GSM Home Security Alarm Systems - Image 1](https://m.media-amazon.com/images/I/51O5msoz7AL.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

### ⭐⭐⭐⭐⭐ Works great. Money well spent.
*by J***K on January 26, 2026*

Works great

### ⭐⭐⭐⭐⭐ Great add on
*by C***Y on December 19, 2025*

We purchased this to add to the main system. Very easy to pair with the main system. Good price point. Arrived in good condition and on time.

### ⭐⭐⭐⭐⭐ working great
*by J***H on January 4, 2026*

working great

## 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.sn/products/41716122-kerui-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home](https://www.desertcart.sn/products/41716122-kerui-433mhz-wireless-door-window-magnetic-sensor-for-gsm-home)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-03-02*