--- product_id: 418221374 title: "Wireless Security PIR Motion Infrared Sensor Detector for Home Security Voice Burglar Alarm System 433mhz" brand: "kerui" price: "KSh6571" currency: KES in_stock: true url: https://www.desertcart.co.ke/products/418221374-wireless-security-pir-motion-infrared-sensor-detector-for-home-security store_origin: KE region: Kenya --- # 110° horizontal & 60° vertical detection angle for full coverage 25ft (8m) detection range for expansive motion sensing 433MHz wireless frequency for seamless connectivity Wireless Security PIR Motion Infrared Sensor Detector for Home Security Voice Burglar Alarm System 433mhz **Brand:** kerui **Price:** KSh6571 **Availability:** ✅ In Stock ## Summary > 🚨 Stay one step ahead with wireless motion detection that’s always watching. ## Quick Answers - **What is this?** Wireless Security PIR Motion Infrared Sensor Detector for Home Security Voice Burglar Alarm System 433mhz by kerui - **How much does it cost?** KSh6571 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/418221374-wireless-security-pir-motion-infrared-sensor-detector-for-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 - • **Smart Battery Efficiency:** Includes 9V battery with low battery alert and 5-second sleep mode to maximize power life. - • **Corner-to-Corner Coverage:** Wide 110° horizontal and 60° vertical detection angles eliminate blind spots when installed in room corners. - • **Effortless Wireless Setup:** 433MHz wireless tech with up to 250ft communication range means flexible placement without messy cables. - • **Optimized Installation Tips:** Mount 8-9 feet high, avoid heat sources to reduce false alarms and keep your alerts precise. - • **Seamless System Integration:** Compatible with all KERUI alarm systems for a reliable second layer of security—never stand alone. ## Overview This Wireless PIR Motion Infrared Sensor offers a broad 110° horizontal and 60° vertical detection angle with a 25ft range, ensuring comprehensive motion coverage. Operating at 433MHz, it wirelessly connects up to 250ft from the control panel, powered by a 9V battery with smart power-saving features. Designed for seamless integration with KERUI alarm systems, it provides a reliable, cable-free security upgrade for homes or businesses. ## Description The PIR Motion Sensor will detect any movement 25ft (8m) in front of it, when under Armed status, it will send a signal to the control unit as soon as it picks up any illegal movement. Because PIR motion detector will divide detection areas into many small segments, in order to optimize its detection performance, the ideal installation area is the pathway where a burglar would cross if he need to access into your residence and business, some places can be hallways or living rooms.Specification Frequency: 433 MHz Extendable antenna Detection distance: 0-8 meters Detection range: 110 degree horizontal view and 60 degree vertical view Battery: 1pcs 9V 6F22 battery (Included) Standby current: less than 12uA Alarm current: less than 15mA Operating temp.: -10 to +50 degrees Installation mode: wall mounted Installation height: 2.5m (Recommended)Package Contents 1* Wireless PIR Motion Detector Free Batteries and Mounting Hardware IncludedNOTE: Do not mount the PIR sensor to face window, oven, air conditioner, as moving heat sources and wind would trigger the PIR. ## Features - Detection angle: 60 degree vertical, 110 degree horizontal. No dead spots were left when installed in the corner of a room. - Detection range is up to 25ft (8m), which creates a large motion detecting area, and it will trigger the alarm system to alert you when someone or animals enter and move in the monitored area. Works completely wirelessly, so it can be installed at any location in your house or business to provide a second layer of protection, or cover the area that cannot be secured by door contacts. - Communication distance from the control panel is up to 250 feet away unobstructed. The antenna can be drawn out to maximize its transmission range. Compatible with all KERUI Alary System, cannot work alone. - Operates with one (1) 9V 6F22 battery (Included). ON/OFF Switch and low battery indication. After detecting motion, the sensor “sleeps” for 5 seconds, good for saving the battery. - The recommended position is mounting the PIR Motion Sensor 8-9 feet above the ground and pointed at your intended monitored area. NOTE: Do not mount the PIR sensor to face window, oven, air conditioner, as moving heat sources and wind would trigger the PIR. Proper installation will help decrease or eliminate the false alarms that no one wants. ## Product Details - **Brand:** KERUI - **Colour:** White - **Power source:** Battery Powered - **Compatible devices:** Smartphone - **Connectivity technology:** Wireless ## Images ![Wireless Security PIR Motion Infrared Sensor Detector for Home Security Voice Burglar Alarm System 433mhz - Image 1](https://m.media-amazon.com/images/I/61xpDRzGDlL.jpg) ## Frequently Bought Together - KERUI Wireless Security PIR Motion Infrared Sensor Detector for Home Security Voice Burglar Alarm System 433mhz - KERUI 433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems - KERUI 115db DIY Wireless Home Security System,Indoor Outdoor Weather-Proof Siren,Window Door Sensors Motion Sensor,Shed Garage Alarm with Remote Control,Burglar Door Alarm for Hotel Shop House --- ## 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.ke/products/418221374-wireless-security-pir-motion-infrared-sensor-detector-for-home-security](https://www.desertcart.co.ke/products/418221374-wireless-security-pir-motion-infrared-sensor-detector-for-home-security) --- *Product available on Desertcart Kenya* *Store origin: KE* *Last updated: 2026-04-30*