---
product_id: 654982497
title: "(BT31MHF) Microwave Radar Sensor Switch Ceiling Mounted Occupancy Motion Detector for Auto Lighting Control (Long Range Sensor)"
brand: "blackt electrotech"
price: "29059CFA"
currency: XOF
in_stock: true
reviews_count: 3
category: "Blackt Electrotech"
url: https://www.desertcart.sn/products/654982497-bt31mhf-microwave-radar-sensor-switch-ceiling-mounted-occupancy-motion-detector
store_origin: SN
region: Senegal
---

# 1200W heavy-duty load 360° full coverage 10s-15min customizable delay (BT31MHF) Microwave Radar Sensor Switch Ceiling Mounted Occupancy Motion Detector for Auto Lighting Control (Long Range Sensor)

**Brand:** blackt electrotech
**Price:** 29059CFA
**Availability:** ✅ In Stock

## Summary

> 🕵️‍♂️ Light up your space, not your energy bill!

## Quick Answers

- **What is this?** (BT31MHF) Microwave Radar Sensor Switch Ceiling Mounted Occupancy Motion Detector for Auto Lighting Control (Long Range Sensor) by blackt electrotech
- **How much does it cost?** 29059CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/654982497-bt31mhf-microwave-radar-sensor-switch-ceiling-mounted-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

- • **Powerful 1200W Capacity:** Supports heavy-duty lighting systems without breaking a sweat.
- • **Complete 360° Detection:** Seamlessly covers every angle for maximum security and convenience.
- • **Smart Auto Lighting Control:** Effortlessly saves energy by activating lights only when needed.
- • **Tailored Sensitivity & Timing:** Adjust light sensitivity and delay to perfectly match your environment.
- • **Versatile Installation Height:** Mount anywhere from 4 to 15 meters for ultimate flexibility.

## Overview

The Blackt Electrotech BT31MHF is a ceiling-mounted microwave radar sensor switch designed for long-range occupancy detection up to 20 meters with a full 360° coverage. It supports heavy-duty lighting loads up to 1200W and offers customizable time delay and light sensitivity settings, making it ideal for large industrial, commercial, or outdoor spaces. Its flexible installation height and automatic lighting control ensure energy efficiency and enhanced security.

## Description

Blackt Electrotech (BT31MHF) Microwave Radar Sensor Switch Ceiling Mounted Occupancy Motion Detector for Auto Lighting Control (Long Range Sensor) : desertcart.in: Home Improvement

Review: Excellent - Good working
Review: Good for Large space - This sensor works great. It detects motion and turns on lights automatically, making the space safer and more efficient.

## Features

- 🌀 360° Detection Range: Offers a full 360° detection angle and long-range motion sensing, ideal for covering large areas like warhouse, showrooms, outdoor, largerooting area industrail.
- ⚡ High Power Capacity: Handles up to 1200W loads, making it ideal for heavy-duty lighting systems and ensuring reliable performance.
- 🕒 Customizable Settings: Adjust by DIP button the time delay (10 seconds to 15 minutes) and light sensitivity (10-2000 lux) to fit your needs, with a detection range extending 20 meters from a height of 15 meters.
- 🔧 Flexible Installation Height: Easily install at adjustable heights between 4 and 15 meters, ensuring adaptability for diverse applications.
- 🌟 Automatic Lighting Control: The Blackt Electrotech BT31MHF Microwave Radar Sensor Switch activates lights automatically upon motion detection, ensuring energy-efficient and hassle-free lighting.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DCTLPHTN |
| Battery Description | battery not included |
| Best Sellers Rank | #13,957 in Home Improvement ( See Top 100 in Home Improvement ) #27 in Motion Detectors |
| Brand | Blackt Electrotech |
| Colour | White |
| Compatible Devices | Light |
| Country of Origin | China |
| Generic Name | Motion sensor |
| Importer | Blackt Electrotech |
| Included Components | Installtion back plat, Screw, manaul |
| Item Weight | 160 g |
| Item model number | BT31M |
| Manufacturer | Blackt Electrotech |
| Maximum Range | 20 metres |
| Mounting Type | Ceiling Mount |
| Net Quantity | 1 Count |
| Packer | Blackt Electrotech |
| Power Source | Corded Electric |
| Product Dimensions | 100D x 30W x 100H Millimeters |

## Product Details

- **Brand:** Blackt Electrotech
- **Colour:** White
- **Item Weight:** 160 Grams
- **Maximum Range:** 20 metres
- **Power Source:** Corded Electric

## Images

![(BT31MHF) Microwave Radar Sensor Switch Ceiling Mounted Occupancy Motion Detector for Auto Lighting Control (Long Range Sensor) - Image 1](https://m.media-amazon.com/images/I/512AGiFoW1L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent
*by S***H on 8 September 2025*

Good working

### ⭐⭐⭐⭐⭐ Good for Large space
*by D***A on 16 October 2024*

This sensor works great. It detects motion and turns on lights automatically, making the space safer and more efficient.

### ⭐⭐ Sensitivity of product.
*by N***I on 16 August 2025*

Not satisfied with product. It trigger without any movement of object. I have installed it above solar panel but even there are no birds it trigger unnecessary.

## Frequently Bought Together

- Blackt Electrotech (BT31MHF) Microwave Radar Sensor Switch Ceiling Mounted Occupancy Motion Detector for Auto Lighting Control (Long Range Sensor)
- Blackt Electrotech BT31C : PIR Motion Sensor Ceiling Mounted White Round Shape (2-Year Warranty) (Regular)

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**Shop now:** [https://www.desertcart.sn/products/654982497-bt31mhf-microwave-radar-sensor-switch-ceiling-mounted-occupancy-motion-detector](https://www.desertcart.sn/products/654982497-bt31mhf-microwave-radar-sensor-switch-ceiling-mounted-occupancy-motion-detector)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-23*