--- product_id: 143831286 title: "Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (1)" brand: "blackt electrotech" price: "Bs.408" currency: BOB in_stock: true reviews_count: 8 category: "Blackt Electrotech" url: https://www.desertcart.bo/products/143831286-blackt-electrotech-bt31m1-microwave-radar-motion-sensor-occupancy-motion-detector store_origin: BO region: Bolivia --- # 1200W max load capacity 360° ceiling & 180° wall detection Adjustable 1-8m sensitivity Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (1) **Brand:** blackt electrotech **Price:** Bs.408 **Availability:** ✅ In Stock ## Summary > 🚀 Upgrade your space with smart sensing that’s always a step ahead! ## Quick Answers - **What is this?** Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (1) by blackt electrotech - **How much does it cost?** Bs.408 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/143831286-blackt-electrotech-bt31m1-microwave-radar-motion-sensor-occupancy-motion-detector) ## Best For - blackt electrotech enthusiasts ## Why This Product - Trusted blackt electrotech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **360° & 180° Coverage:** Wide-angle detection covers every corner—perfect for hallways, bathrooms, and offices without blind spots. - • **Peace of Mind Warranty:** Backed by an 18-month warranty, guaranteeing reliable performance and long-term security. - • **Effortless Energy Savings:** Automatically powers off lights/appliances when no motion is detected, slashing your electricity bills. - • **Compact, Concealed Installation:** Sleek 12x12x6.5 cm design fits discreetly inside switchboards or behind POP sheets for seamless integration. - • **Precision Detection, Zero False Alarms:** Customizable sensitivity and brightness settings ensure flawless motion sensing tailored to your space. ## Overview The Blackt Electrotech BT31M1 Microwave/Radar Motion Sensor offers advanced 360° ceiling and 180° wall detection with adjustable sensitivity up to 8 meters. Supporting high loads of up to 1200W for incandescent and 300W for LED lights, it ensures energy-efficient automation with a compact design ideal for concealed installation. Backed by an 18-month warranty, it’s a reliable choice for modern home and office security and energy management. ## Description Product Description Advanced Microwave/Radar Motion Sensing Technology The Blackt Electrotech BT31M1 is designed with cutting-edge microwave/radar technology to ensure highly accurate motion detection. Unlike traditional infrared sensors, this sensor can detect movement through thin non-metallic objects like glass, plastic, and thin walls, making it perfect for versatile indoor applications. Its small square shape ensures a discreet installation without compromising performance. Easy Installation & Versatile Applications The BT31M1 is simple to install and compatible with a wide range of lighting and electrical systems. Whether for home automation, security enhancement, or energy-saving projects, this microwave/radar motion sensor is the perfect solution for modern living. Wide Detection Range & Sensitivity The BT31M1 offers a broad detection angle and range, making it capable of covering large areas with minimal blind spots. It can sense even slight movements, ensuring reliable detection in offices, corridors, restrooms, and other frequently used areas. Adjustable settings allow you to fine-tune its sensitivity to suit your environment. Review: Trusted product - Good product as per price, working well. Review: Good one - Product is good...but with fan on it doesn't work...should be given on off button as well... ## Features - 🌟 [Automatic Energy Saving]: Automatically turns off lights or appliances when no motion is detected, saving electricity effortlessly. - 🔍 [Adjustable Sensitivity & Brightness]: Sensitivity can be adjusted between 1 to 8 meters, and light brightness is customizable from 0 to 2000 Lux, ensuring accurate detection without false triggers . - 📏 [Wide Detection Angle]: Provides 360° ceiling and 180° wall detection, perfect for spaces like hallways, bathrooms, closets, and corridors. - ⚡ [High Load Capacity]: Handles up to 1200W for incandescent lights and 300W for LED lights, compatible with most lighting setups. - 🔧 [Compact & Versatile Design]: Small size (12x12x6.5 cm) allows installation inside switchboards or behind POP sheets. The sensor detects motion even when concealed, ensuring seamless functionality. - 🛡️ [Reliable with Warranty]: Comes with an 18-month manufacturing warranty, ensuring dependable and worry-free usage. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07PNL65WN | | Antenna Location | Residential Security, Automation, Energy Management | | Battery Description | battery not included | | Best Sellers Rank | #2,803 in Home Improvement ( See Top 100 in Home Improvement ) #3 in Motion Detectors | | Brand | Blackt Electrotech | | Built-In Media | Caps | | Colour | white | | Compatible Devices | Appliances | | Country of Origin | China | | Customer Reviews | 4.1 out of 5 stars 923 Reviews | | Frequency | 50 Hz | | Importer Contact Information | Blackt Electrotech | | Item Dimensions D x W x H | 60D x 40W x 60H Millimeters | | Item Type Name | Motion sensor | | Item Weight | 80 Grams | | Manufacturer | Blackt Electrotech, Blackt Electrotech | | Manufacturer Contact Information | Blackt Electrotech | | Manufacturer Warranty Description | 18 months warranty against manufacturing defects | | Maximum Range | 8 metres | | Mfr Part Number | BT-31490 | | Model Number | BT31m1 | | Mounting Type | Wall Mount | | Packer Contact Information | Blackt Electrotech | | Power Source | Corded Electric | | UPC | 710918665535 | | Unit Count | 1.00 Count | | Upper Temperature Rating | 45 Degrees Celsius | ## Product Details - **Brand:** Blackt Electrotech - **Colour:** white - **Item Weight:** 80 Grams - **Maximum Range:** 8 metres - **Power Source:** Corded Electric ## Images ![Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (1) - Image 1](https://m.media-amazon.com/images/I/51NzEKCdFsL.jpg) ![Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (1) - Image 2](https://m.media-amazon.com/images/I/7153Le5jGfL.jpg) ![Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (1) - Image 3](https://m.media-amazon.com/images/I/71cgNJ11udL.jpg) ![Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (1) - Image 4](https://m.media-amazon.com/images/I/71rGXCDOkBL.jpg) ![Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (1) - Image 5](https://m.media-amazon.com/images/I/61qfFeqCB7L.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Questions & Answers **Q: Does it swich OFF when motion stops** A: if there no motion it will turn off after presetting time i.e. 10 sec to 12 min **Q: I need a timer switch of load 3kv for storage water geyser** A: available on amazon, check **Q: Is it compatible with cilining fan ?** A: There is no fan or anything, you have to connect whatever you want as load, with operating voltage of 220V AC, load as in the label. **Q: Why not use the motion sensor bulbs? What is the advatage of this over those bulbs?** A: This can be used to switch on anything, not only for lights, and this is a more accurate and fast device. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Trusted product *by P***L on 28 May 2026* Good product as per price, working well. ### ⭐⭐⭐⭐ Good one *by N***I on 27 April 2026* Product is good...but with fan on it doesn't work...should be given on off button as well... ### ⭐⭐⭐⭐⭐ Working properly *by A***R on 20 July 2026* Working properly ## Frequently Bought Together - Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Body Motion Detector Small Sq Shape 18 Months warrenty - Quick Sense (Qs-H1) 220v -118 DB Hooter Security Alarm for Security, Loud Sound(300-400 M) - Quick Sense (Qs-H2) 220v -110 DB Hooter Security Alarm for Bank Loud Sound --- ## 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.bo/products/143831286-blackt-electrotech-bt31m1-microwave-radar-motion-sensor-occupancy-motion-detector](https://www.desertcart.bo/products/143831286-blackt-electrotech-bt31m1-microwave-radar-motion-sensor-occupancy-motion-detector) --- *Product available on Desertcart Bolivia* *Store origin: BO* *Last updated: 2026-08-02*