--- product_id: 230596568 title: "KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System" brand: "kerui" price: "฿3847" currency: THB in_stock: true reviews_count: 5 category: "Kerui" url: https://www.desertcart.co.th/products/230596568-kerui-433mhz-home-wireless-pir-infrared-motion-sensor-detector-alarm store_origin: TH region: Thailand --- # 433MHz wireless frequency for stable signal Battery powered with 3x 9V batteries 250 feet motion detection range KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System **Brand:** kerui **Price:** ฿3847 **Availability:** ✅ In Stock ## Summary > 🚨 Stay ahead of intruders with wireless precision and power! ## Quick Answers - **What is this?** KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System by kerui - **How much does it cost?** ฿3847 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/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 - • **Long-lasting Power:** Runs on 3 standard 9V batteries for easy replacement and uninterrupted protection. - • **Effortless Installation:** Completely wireless design with wall-mount setup—no messy cables or drilling hassles. - • **Instant Intruder Alerts:** Sends immediate alarm signals to your control host the moment motion is detected, keeping you one step ahead. - • **Extended Detection Range:** Covers up to 250 feet, giving you broad home surveillance without blind spots. - • **Seamless Wireless Security:** 433MHz frequency ensures interference-free, reliable connection with your KERUI alarm system. ## Overview The KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector is a battery-powered, wireless motion sensor designed to integrate seamlessly with KERUI alarm systems. It detects movement up to 250 feet away and instantly sends alarm signals to the control host, providing reliable home security without the need for wiring. Lightweight and easy to install, it offers professional-grade protection with minimal setup. ## Description 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 Review: Bon fonctionnement - Excellent Review: Calidad y precio - Muy buenos y utiles ## 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 | | Best Sellers Rank | #87,160 in Home Improvement ( See Top 100 in Home Improvement ) #253 in Home Security Alarms | | Brand | KERUI | | Colour | white | | Country of Origin | USA | | Customer Reviews | 4.2 out of 5 stars 46 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 ### ⭐⭐⭐⭐⭐ Bon fonctionnement *by F***L on 2 June 2025* Excellent ### ⭐⭐⭐⭐⭐ Calidad y precio *by Y***T on 6 May 2026* Muy buenos y utiles ### ⭐⭐⭐⭐⭐ Excelente reemplazo. *by O***Z on 24 April 2026* El mejor detector de movimiento.Ideal para reemplazar uno que se te haya roto ó para agregarlo a tu sistema de seguridad.Fácil de instalar y programar. ## Frequently Bought Together - KERUI 433MHz Home Wireless PIR Infrared Motion Sensor Detector for Alarm System - 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 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 --- ## 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.co.th/products/230596568-kerui-433mhz-home-wireless-pir-infrared-motion-sensor-detector-alarm](https://www.desertcart.co.th/products/230596568-kerui-433mhz-home-wireless-pir-infrared-motion-sensor-detector-alarm) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-06-13*