--- product_id: 628596225 title: "Real Instruments ABO-20 Single Beam Light Radar Motion Sensor Door Window Burglar Gates Safety Infrared Radiation Alarm Sensor Set Barrier Photoelectric Infrared Detector for Automatic Doors" brand: "real instruments" price: "€ 43.62" currency: EUR in_stock: true reviews_count: 5 category: "Real Instruments" url: https://www.desertcart.at/products/628596225-real-instruments-abo-20-single-beam-light-radar-motion-sensor store_origin: AT region: Austria --- # 1.92 KHz alarm frequency 20m infrared beam range IP55 waterproof & dustproof Real Instruments ABO-20 Single Beam Light Radar Motion Sensor Door Window Burglar Gates Safety Infrared Radiation Alarm Sensor Set Barrier Photoelectric Infrared Detector for Automatic Doors **Brand:** real instruments **Price:** € 43.62 **Availability:** ✅ In Stock ## Summary > 🚪🔒 Secure your space with invisible precision! ## Quick Answers - **What is this?** Real Instruments ABO-20 Single Beam Light Radar Motion Sensor Door Window Burglar Gates Safety Infrared Radiation Alarm Sensor Set Barrier Photoelectric Infrared Detector for Automatic Doors by real instruments - **How much does it cost?** € 43.62 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/628596225-real-instruments-abo-20-single-beam-light-radar-motion-sensor) ## Best For - real instruments enthusiasts ## Why This Product - Trusted real instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Integration:** Compatible with major security and access control systems for effortless setup. - • **Robust Weatherproof Design:** IP55-rated casing ensures flawless operation rain or shine, fog or dust. - • **High-Frequency Alarm Signal:** 1.92 KHz frequency delivers instant, clear intrusion alerts. - • **Lightweight & Easy Mounting:** Compact 300g design with door mount for quick, unobtrusive installation. - • **Precision Infrared Detection:** Reliable 20-meter single beam sensor for pinpoint security coverage. ## Overview The Real Instruments ABO-20 is a cutting-edge single beam infrared motion sensor designed for professional security setups. Featuring a 20-meter detection range, 1.92 KHz alarm frequency, and IP55-rated waterproof housing, it guarantees reliable performance in diverse environments. Ideal for offices, schools, and residential buildings, this lightweight, door-mountable sensor integrates seamlessly with existing security and access control systems to provide instant intrusion alerts and peace of mind. ## Description Our organization is counted amongst the most distinguished suppliers of a prominent range of Beam Sensor 20 Meters Infrared Alarm Intrusion Detector. Review: Amazing product Review: Good working ## Features - 𝐒𝐀𝐅𝐄 𝐀𝐍𝐃 𝐑𝐄𝐋𝐈𝐀𝐁𝐋𝐄: The Pair Of Infrared Detectors Can Reliably Generate Visible Infrared Rays Up To 20 Meters Long. The Barrier Detector Frequency Of The Single Beam Alarm Is 1.92 Khz, The Power Supply Is 12 V Dc And The Wavelength Is 940 Nm. - 𝐖𝐀𝐓𝐄𝐑𝐏𝐑𝐎𝐎𝐅 𝐌𝐀𝐓𝐄𝐑𝐈𝐀𝐋: IP55 Rain Cover (Fog), Dust (Worm) And Other Comprehensive Weather-related Sealed Structures, Infrared Detector Can Maintain Normal Operation In Harsh Environments. In Severe Weather (Fog, Rain, Dust, Etc.) The Range Of Infrared Detector Can Be Reduced To 30%. - 𝐖𝐈𝐃𝐄 𝐀𝐏𝐏𝐋𝐈𝐂𝐀𝐓𝐈𝐎𝐍: The Infrared Detector Is Suitable For Security Systems In Schools, Office Buildings, Hospitals, Parking Lots, Apartments And Other Places. The Barrier Detector Widely Used In Alarm Systems, Access Control Systems, Etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09SB9TXJC | | Battery Description | Battery not included | | Best Sellers Rank | #142,822 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #260 in Motion Detectors | | Brand | Real Instruments | | Color | Black | | Colour | Black | | Compatible Devices | Security System, Access Control System | | Customer Reviews | 3.9 out of 5 stars 91 Reviews | | Frequency | 1.92 KHz | | Item Weight | 300 Grams | | Item weight | 300 Grams | | Manufacturer | Real Instruments | | Maximum Range | 100 Meters | | Maximum range | 100 Meters | | Mfr Part Number | ABO-20 | | Model Number | ABO-20 | | Mounting Type | Door Mount | | Mounting type | Door Mount | | Power Source | Corded Electric | | Power source | Corded Electric | ## Product Details - **Brand:** Real Instruments - **Colour:** Black - **Item weight:** 300 Grams - **Maximum range:** 100 Meters - **Power source:** Corded Electric ## Images ![Real Instruments ABO-20 Single Beam Light Radar Motion Sensor Door Window Burglar Gates Safety Infrared Radiation Alarm Sensor Set Barrier Photoelectric Infrared Detector for Automatic Doors - Image 1](https://m.media-amazon.com/images/I/51jyZao7ntL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Amazing product *by P***D on 27 January 2025* ### ⭐⭐⭐⭐ Good working *by A***R on 27 August 2025* ### ⭐⭐⭐⭐⭐ 👍 *by I***E on 17 November 2025* ## Frequently Bought Together - Real Instruments ABO-20 Single Beam Light Radar Motion Sensor Door Window Burglar Gates Safety Infrared Radiation Alarm Sensor Set Barrier Photoelectric Infrared Detector for Automatic Doors - Quick Sense (Qs-H1) 220v -118 DB Hooter Security Alarm for Security, Loud Sound(300-400 M) - Navkar Systems Dual Beam IR Intruder Detector Burglar Alarm Security System (100 m) --- ## 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.at/products/628596225-real-instruments-abo-20-single-beam-light-radar-motion-sensor](https://www.desertcart.at/products/628596225-real-instruments-abo-20-single-beam-light-radar-motion-sensor) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-05-05*