---
product_id: 230596568
title: "KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System"
brand: "kerui"
price: "S$2"
currency: SGD
in_stock: false
reviews_count: 5
category: "Kerui"
url: https://www.desertcart.sg/products/230596568-kerui-433mhz-home-wireless-pir-infrared-motion-sensor-detector-alarm
store_origin: SG
region: Singapore
---

# 433MHz wireless frequency Battery-powered, no wiring needed 250 feet motion detection range KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System

**Brand:** kerui
**Price:** S$2
**Availability:** ❌ Out of Stock

## Summary

> 🚨 Stay ahead of intruders with wireless precision!

## Quick Answers

- **What is this?** KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System by kerui
- **How much does it cost?** S$2 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/230596568-kerui-433mhz-home-wireless-pir-infrared-motion-sensor-detector-alarm)

## 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

- • **Smart Compatibility:** Designed exclusively to integrate flawlessly with KERUI home security systems for maximum efficiency.
- • **Instant Alert System:** Sends real-time alarm signals directly to your control host for immediate response.
- • **Effortless Installation:** Battery-powered and wireless design means zero wiring hassle—set up in minutes, protect instantly.
- • **Extended Detection Radius:** Covers up to 250 feet, catching every movement before it becomes a threat.
- • **Seamless Wireless Security:** 433MHz frequency ensures stable, interference-free communication with your KERUI alarm system.

## Overview

The KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector offers a robust 250-foot detection range using reliable 433MHz wireless frequency. Battery-powered for easy installation, it integrates exclusively with KERUI alarm systems to send instant alerts upon detecting motion, ensuring your home security is both smart and hassle-free.

## Description

KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System : desertcart.in: Home Improvement

Review: Works Great! - This motion sensor easily integrated into the other sensors I had already installed on my detatched garage. The price is excellent and it worked great under testing. I have had no false alarms under all weather conditions. The key is proper placement and make sure each of the other sensors have their contacts nice and close on each door/window. If the gap is too big, a small movement from wind or temp changes will trigger false alarms. The value for the Kerui alarm is excellent! A side note: This brand does a great job with their alarm speaker. It is super loud and perfect for a non-monitored system.
Review: Validé - Très bon detectrur. L'article est conforme et durable.

## Features

- Motion detector - The motion sensor can detect any movement within the detection range
- Works totally wireless - Does not need to be wired to the control center and the motion sensor has a root antenna can enhance the signal
- Can't work standalone - Work with KERUI security home alarm system
- Send alarm signal - It will send the alarm signal to control host once a alarm be triggered
- 1pcs battery required - 9V 6F22 battery powered and easy to install and operate

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00PQ80EIY |
| Antenna Location | Residential Security |
| Battery Description | 9V Alkaline |
| Best Sellers Rank | #228,430 in Home Improvement ( See Top 100 in Home Improvement ) #616 in Home Security Alarms |
| Brand | KERUI |
| Colour | white |
| Country of Origin | USA |
| Customer Reviews | 4.3 out of 5 stars 53 Reviews |
| Frequency | 433 Microhertz |
| Manufacturer | KERUI |
| Maximum Range | 250 Feet |
| Mfr Part Number | 0302433KR-P815 |
| Model Number | KERUI 433 |
| Mounting Type | Wall Mount |
| Number of Batteries | 1 12V batteries required. |
| Power Source | Battery Powered |
| UPC | 706551610292 |

## Product Details

- **Brand:** KERUI
- **Colour:** white
- **Maximum Range:** 250 Feet
- **Mounting Type:** Wall Mount
- **Power Source:** Battery Powered

## Images

![KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System - Image 1](https://m.media-amazon.com/images/I/51GlSQPOZZL.jpg)
![KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System - Image 2](https://m.media-amazon.com/images/I/71-cVLoX24L.jpg)
![KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System - Image 3](https://m.media-amazon.com/images/I/61qBfLbIGML.jpg)
![KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System - Image 4](https://m.media-amazon.com/images/I/71CyJAAirZL.jpg)
![KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System - Image 5](https://m.media-amazon.com/images/I/71T83jUkAEL.jpg)

## Questions & Answers

**Q: The box and the instructions say "led on/off optional", but don't say how. how do you set the led off but unit on?**
A: HI friend，
There is just power button, you can turn on/off the PIR sensor.
If any other problem,please feel free to contact us via Amazon message or after-sale email fuers.csc01@outlook.com

**Q: Does it work with Blaster AS 859**
A: Hi friend,
Generally our company's item works with ours, we are not sure whether it can work with other company's, it may have conflict, we advise to choose to use KERUI brand alarm. Thanks.

**Q: Does this work with gsm systems, it is a 433mhz device . as required by gsm 
?**
A: Dear friend.
The KERUI PIR sensor work with KERUI brand GSM alarm.
If any othe rproblem,please feel free to contact us via Amazon message or after-sale email fuers.csc01@outlook.com

**Q: How can i pair this unit with a alarm horn that i already have that is your unit and the setting fob .**
A: You can pair as many units as you want. You need to reset and pair all units...old and new.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works Great!
*by O***R on 3 December 2025*

This motion sensor easily integrated into the other sensors I had already installed on my detatched garage. The price is excellent and it worked great under testing. I have had no false alarms under all weather conditions. The key is proper placement and make sure each of the other sensors have their contacts nice and close on each door/window. If the gap is too big, a small movement from wind or temp changes will trigger false alarms. The value for the Kerui alarm is excellent! A side note: This brand does a great job with their alarm speaker. It is super loud and perfect for a non-monitored system.

### ⭐⭐⭐⭐⭐ Validé
*by S***N on 6 April 2025*

Très bon detectrur. L'article est conforme et durable.

### ⭐⭐⭐⭐⭐ Simple and inexpensive alarm.
*by T***J on 9 January 2026*

Very easy to setup, works great and very loud alarm, it is just a simple alarm that tells you someone is in your home, or trying to get in, so far it has worked great, I have had a few different ones over the years but I find this the simplest one to use, it does not call anyone but the alarm wakes you up, yes I would recommend this for Home alerts.

## Frequently Bought Together

- KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System
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- KERUI Home Security System Indoor Outdoor Weather-Proof Siren Window Door Sensors Motion Sensor Alarm with Remote Control More DIY, Wireless House Hotel Garage Shop Burglar Door Alarm, NO WIFI/GSM/APP

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-11-15*