---
product_id: 64871839
title: "Microwave Radar Sensor Switch - Ceiling Mounted Occupancy Motion Detector for Automatic Lighting Control (Regular Size)"
brand: "blackt electrotech"
price: "₩34146"
currency: KRW
in_stock: true
reviews_count: 8
category: "Blackt Electrotech"
url: https://www.desertcart.kr/products/64871839-microwave-radar-sensor-switch-ceiling-mounted-occupancy-motion-detector-automatic
store_origin: KR
region: South Korea
---

# 1200W max load capacity 2-4m ideal mounting height 360° detection angle Microwave Radar Sensor Switch - Ceiling Mounted Occupancy Motion Detector for Automatic Lighting Control (Regular Size)

**Brand:** blackt electrotech
**Price:** ₩34146
**Availability:** ✅ In Stock

## Summary

> 💡 Illuminate Smarter, Live Greener — The Future of Motion Sensing is Here!

## Quick Answers

- **What is this?** Microwave Radar Sensor Switch - Ceiling Mounted Occupancy Motion Detector for Automatic Lighting Control (Regular Size) by blackt electrotech
- **How much does it cost?** ₩34146 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/64871839-microwave-radar-sensor-switch-ceiling-mounted-occupancy-motion-detector-automatic)

## 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

- • **Reliable & Responsive:** Detects motion up to 8 meters with high sensitivity, ensuring your spaces light up only when needed.
- • **Energy-Smart Automation:** Adjustable ambient light and time delay settings cut down wasted electricity—because saving power is the new luxury.
- • **Versatile Compatibility:** Seamlessly controls LED, fluorescent, incandescent lights, fans, and more—perfect for modern smart spaces.
- • **360° All-Around Sensing:** Complete coverage with microwave radar technology ensures no movement goes unnoticed, even through glass.
- • **Plug & Play Installation:** Tool-free terminal connections and ceiling mount design make setup effortless for busy professionals.

## Overview

The Blackt Electrotech Microwave Radar Sensor Switch is a ceiling-mounted occupancy detector featuring a 360° detection angle and a 1200W load capacity. Operating at 5.8 GHz, it offers adjustable detection distance (up to 8m), ambient light sensitivity (3-2000 lux), and time delay (10 seconds to 15 minutes). Designed for easy installation and compatibility with various lighting types, it optimizes energy use by activating lights only when motion is detected within its ideal 2-4 meter mounting height.

## Description

Product Description Features: Low power consumption, power-saving. Detect distance, ambient light and time-delay are adjustable, you can make your own setting. Microwave radar sensor, 360° wide angle detection and further detection distance, can penetrate glass and veneer, but not wall. Pluggable type of the terminals which make easier and much convenient to install. Applicable to monitoring equipment, led lamp, fluorescent lamp, incandescent lamp, ventilator and magnetic valve and so on. Well suited to circulation areas, integral garages, store rooms, toilets, kitchens, common stairs wells or corridors where there are frequently people passing in an out of an area and the lighting often gets left on accidentally. Can be installed on wall, ceiling and anywhere of your house. Blackt Electrotech Microwave Motion Sensor Human Body Induction Human body sensors with high sensitivity, safety and energy saving. The automation products based on microwave radar technology, they are high sensitive, high reliable, safety, and intelligent energy-saving, and therefore it will be the first choice for the intelligent buildings and the modern property management. Installation Procedure Take down the top cover by turning it anti-clockwise Hold base against the wall and mark drill holes, paying attention to any existing wiring in the wall Drill the holes, insert wall plug Put the power wire and load wire throughthe base holes Screw the base into place Connect the mains power supply and the load wire to the connection terminal according to connection-wire mark Fit glass shad and turn it clockwise Specifications Operating volt: ac 220-250v 50hz-60hz. Load power: upto 1200w max Ambient light: 3-2000lux (adjuestable) Load type: incandescent lamp, led light, clf, fans, etc Reach:1-8m(radii.), adjustable Hf system: 5.8ghz cw radar,ism band Detecting distance: 0~8m Transmission power:<10mw Detecting angle: 360 degree. Installtion hight: 2.2-4 mtr Motiondetetion speed: 0.6~1m/s Power cusumption:0.1w (static) & 0.4(work) Workinghumidity: less than 93%rh Delay: 8 seconds -12 minutes (adjustable)

Review: Brilliant Work And value for Money - This is very useful product. It's work is Accurate. It is helpful in saving electricity. This is a must-have product for everyone's home. Already I have bought Wireless remote control for Fan and Lights From BlackT company. It is working well till now. As the same I think this product also will work well. And Installation process is also very simple. 100% Satisfaction for me. Thank you Blackt. I am Waiting for your Next different Product.
Review: Good Product - The product is good, easy to install, works good. My purpose was to trigger alarm before someone tries climbs & enter the compound wall, though sensor is in range it doesn't trigger alarm. Does't trigger on sideways movement in range. Triggers every 15 minutes (approx.) at night, so we disabled it (please give technical support for this). The sensor gets triggered by cat / dog roaming in vicinity.

## Features

- Detection Angle: 360/ Rated Load: 1200Watt/Ideal
- Installation Height: 2 - 4 Meters...This Microwave Motion Sensor Reflects The Latest Development In Interior Lighting Technology And Provides Close To Zero Energy Wastage In Terms Of Lights Being On Unnecessarily./ Hf System : 5.8Ghz Cw Radar,Ism Band
- Adjustable Function: Time Delay (10 Sec To 15 Min), Light Setting (10-2000 Lux)
- Simple in Connection: (Connect : L & N to Power) and (Connect : N & A to Load)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01KMF8ZHC |
| Antenna Location | Microwave/Radar |
| Battery Description | Battery not included |
| Best Sellers Rank | #48,063 in Home Improvement ( See Top 100 in Home Improvement ) #87 in Motion Detectors |
| Brand | Blackt Electrotech |
| Built-In Media | Installtion back plat, Screw, manaul |
| Colour | White |
| Compatible Devices | other |
| Country of Origin | China |
| Customer Reviews | 4.1 out of 5 stars 523 Reviews |
| Frequency | 5.8 GHz |
| Importer Contact Information | Blackt Electrotech |
| Item Dimensions D x W x H | 100D x 30W x 100H Millimeters |
| Item Type Name | Motion sensor |
| Item Weight | 160 Grams |
| Manufacturer | Blackt Electrotech |
| Maximum Range | 8 metres |
| Mfr Part Number | BT31M112 |
| Model Number | BT31M |
| Mounting Type | Ceiling Mount |
| Packer Contact Information | Blackt Electrotech |
| Power Source | Corded Electric |
| Unit Count | 1.00 Count |

## Product Details

- **Brand:** Blackt Electrotech
- **Colour:** White
- **Power Source:** Corded Electric
- **Item Weight:** 160 Grams
- **Maximum Range:** 8 metres

## Images

![Microwave Radar Sensor Switch - Ceiling Mounted Occupancy Motion Detector for Automatic Lighting Control (Regular Size) - Image 1](https://m.media-amazon.com/images/I/61cgybxRpkL.jpg)
![Microwave Radar Sensor Switch - Ceiling Mounted Occupancy Motion Detector for Automatic Lighting Control (Regular Size) - Image 2](https://m.media-amazon.com/images/I/71esvHbOGBL.jpg)
![Microwave Radar Sensor Switch - Ceiling Mounted Occupancy Motion Detector for Automatic Lighting Control (Regular Size) - Image 3](https://m.media-amazon.com/images/I/61ZevIcxu0L.jpg)
![Microwave Radar Sensor Switch - Ceiling Mounted Occupancy Motion Detector for Automatic Lighting Control (Regular Size) - Image 4](https://m.media-amazon.com/images/I/71wc5KUZ3fL.jpg)
![Microwave Radar Sensor Switch - Ceiling Mounted Occupancy Motion Detector for Automatic Lighting Control (Regular Size) - Image 5](https://m.media-amazon.com/images/I/81IC7dgrErL.jpg)

## Questions & Answers

**Q: Conection diagram**
A: It's easy available with installation manual

**Q: Can i use it as a security alarm by connecting to a bell ?**
A: You can connect 230v ac Siren/hooter/Bell.

**Q: Can it be used for an exhaust fan?**
A: yes it can

**Q: I am planning to install the product outdoors in front of a large tarpaulin sheet curtain, will the curtain movements trigger false alarm?**
A: It may if the tarpaulin is in the sensing zone

## Customer Reviews

### ⭐⭐⭐⭐⭐ Brilliant Work And value for Money
*by I***D on 29 May 2019*

This is very useful product. It's work is Accurate. It is helpful in saving electricity. This is a must-have product for everyone's home. Already I have bought Wireless remote control for Fan and Lights From BlackT company. It is working well till now. As the same I think this product also will work well. And Installation process is also very simple. 100% Satisfaction for me. Thank you Blackt. I am Waiting for your Next different Product.

### ⭐⭐⭐⭐ Good Product
*by R***S on 5 February 2019*

The product is good, easy to install, works good. My purpose was to trigger alarm before someone tries climbs & enter the compound wall, though sensor is in range it doesn't trigger alarm. Does't trigger on sideways movement in range. Triggers every 15 minutes (approx.) at night, so we disabled it (please give technical support for this). The sensor gets triggered by cat / dog roaming in vicinity.

### ⭐⭐⭐⭐⭐ Easy
*by M***S on 23 November 2021*

I bought 2. It's a good product. Very sensitive to movement. Instructions are clear on the product. I had it installed in the toilet for my workers about 2 months ago. It's working perfectly fine till now despite moisture. And yes the light does not effect it when it's directly.in front of it, which is a very important thing for this kind of setup.

## Frequently Bought Together

- Blackt Electrotech Microwave Radar Sensor Switch - Ceiling Mounted Occupancy Motion Detector for Automatic Lighting Control (Regular Size)
- Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (2)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-07-07*