---
product_id: 86644892
title: "KERUI Extra Add-On PIR Motion Sensor for DW9 Driveway Alarm Wireless Weatherproof IPV4 Outdoor Black"
brand: "kerui"
price: "¥11143"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/86644892-kerui-extra-add-on-pir-motion-sensor-for-dw9-driveway
store_origin: JP
region: Japan
---

# 3x longer FSK range 1-year battery life Weatherproof design KERUI Extra Add-On PIR Motion Sensor for DW9 Driveway Alarm Wireless Weatherproof IPV4 Outdoor Black

**Brand:** kerui
**Price:** ¥11143
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay ahead of intruders with smarter, longer-range motion sensing!

## Quick Answers

- **What is this?** KERUI Extra Add-On PIR Motion Sensor for DW9 Driveway Alarm Wireless Weatherproof IPV4 Outdoor Black by kerui
- **How much does it cost?** ¥11143 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/86644892-kerui-extra-add-on-pir-motion-sensor-for-dw9-driveway)

## 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

- • **Long-Lasting Power:** Includes 2 AAA alkaline batteries with up to 1 year of continuous operation—set it and forget it.
- • **All-Weather Reliability:** Built to withstand outdoor elements with a robust weatherproof casing—rain or shine, stay protected.
- • **Effortless Installation:** Compact, lightweight design with easy wall-mount setup—no hassle, just instant peace of mind.
- • **Extended Detection Range:** FSK radio frequency offers 3x longer range than traditional ASK tech for superior coverage.
- • **Versatile Motion Sensing:** Detects humans, vehicles, and large animals, ensuring comprehensive driveway security.

## Overview

The KERUI Extra Add-On PIR Motion Sensor enhances your DW9 Driveway Alarm with a weatherproof, battery-powered unit that uses advanced FSK radio frequency for triple the detection range. Designed to detect humans, cars, and large animals, it offers reliable outdoor security with up to one year of battery life and easy wall-mount installation.

## Description

KERUIExtra Add-On PIR Motion Sensor for DW9 Driveway Alarm Wireless Weatherproof IPV4 Outdoor Black

## Features

- The sensor runs on FSK radio frequency, it is 3 times longer than the traditional ASK, and it will NOT work with general alarm security system. This PIR motion detector can detect movement from humans, cars, and large animals.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | KERUI |
| Product Dimensions | 5 x 5 x 8.5 cm; 160 g |
| Batteries | 2 AAA batteries required. (included) |
| Colour | Black |
| Power Source | Battery Powered |
| Plug profile | Wall Mount |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Battery description | battery_type_aa |
| Average Battery Life | 1 	years |
| Item Weight | 160 g |

## Product Details

- **Brand:** KERUI
- **Colour:** Black
- **Power source:** Battery Powered
- **Maximum range:** 12 Metres
- **Mounting type:** Wall Mount

## Images

![KERUI Extra Add-On PIR Motion Sensor for DW9 Driveway Alarm Wireless Weatherproof IPV4 Outdoor Black - Image 1](https://m.media-amazon.com/images/I/61Fa2tNN13L.jpg)

## Questions & Answers

**Q: Does it work with the standalone home shop security alarm garage horn.  which exampls of alarms systems would it run with. we lost with fsx and ask**
A: Dear friend,
The FSK PIR sensor can only work with Dw9 doorbell. it can't work with other alarm.
If any other problem.please feel free to contact us via Amazon message or after-sale email fuers.csc01@outlook.com

**Q: Is the kerui dw9 pir driveway alarm compatible with the kerui w18 security system? if yes how close does the sensor need to be to the control panel?**
A: Dear friend,
Sorry, the DW9 pir driveway alarm  is not compatible with the kerui w18 security system.because it's FSK  wireless signal , but the w18 alarm system are all ASK wireless signal.
If any other problem,please feel free to contact us via Amazon message or after-sale email tongwodeservice@outlook.com

**Q: Does this sensor work with Tuya App**
A: Dear friend, this is an extra Add-On PIR Motion Sensor for KERUI DW9 Driveway Alarm.
If you any other problem, please feel free to contact us via Amazon message or after-sale email tongwodeservice@outlook. com

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**Shop now:** [https://www.desertcart.jp/products/86644892-kerui-extra-add-on-pir-motion-sensor-for-dw9-driveway](https://www.desertcart.jp/products/86644892-kerui-extra-add-on-pir-motion-sensor-for-dw9-driveway)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-27*