---
product_id: 627349877
title: "(BT31M1) Microwave/Radar Motion Sensor Occupancy Body Motion Detector Small Sq Shape 18 Months warrenty"
brand: "blackt electrotech"
price: "£26.42"
currency: GBP
in_stock: true
reviews_count: 5
url: https://www.desertcart.co.uk/products/627349877-bt31m1-microwave-radar-motion-sensor-occupancy-body-motion-detector-small
store_origin: GB
region: United Kingdom
---

# Adjustable timer delay 10s-12min Sensitivity range 1-8 meters 360° ceiling & 180° wall detection (BT31M1) Microwave/Radar Motion Sensor Occupancy Body Motion Detector Small Sq Shape 18 Months warrenty

**Brand:** blackt electrotech
**Price:** £26.42
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay ahead with motion-activated brilliance — never waste energy or miss a moment!

## Quick Answers

- **What is this?** (BT31M1) Microwave/Radar Motion Sensor Occupancy Body Motion Detector Small Sq Shape 18 Months warrenty by blackt electrotech
- **How much does it cost?** £26.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/627349877-bt31m1-microwave-radar-motion-sensor-occupancy-body-motion-detector-small)

## 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

- • **Smart Energy Saver:** Automatically powers off when no motion detected, slashing electricity waste by up to 85%.
- • **Wide-Angle Detection:** 360° ceiling and 180° wall coverage guarantees no corner goes unnoticed in your space.
- • **Effortless Timer Flexibility:** Choose delay from 10 seconds to 12 minutes to match your lifestyle and maximize convenience.
- • **Dynamic Brightness Adjustment:** Set light activation threshold anywhere from 0 to 2000 Lux for perfect ambient control.
- • **Precision Sensitivity Control:** Customize detection range from 1 to 8 meters to eliminate false triggers and ensure seamless automation.

## Overview

The BT31M1 Microwave/Radar Motion Sensor is a compact, energy-efficient occupancy detector featuring adjustable sensitivity (1-8m), customizable light brightness thresholds (0-2000 Lux), and versatile timer settings (10s-12min). Its 360° ceiling and 180° wall detection angles make it ideal for automated lighting in hallways, bathrooms, and closets, delivering up to 85% electricity savings with an 18-month warranty.

## Description

There is a timer function,when people are away and no more moving in the room, microwave will stop working automatically to save electricity. When you come back again, it will turn ON.

## Features

- There is a timer function,when people are away and no more moving in the room, microwave will stop working automatically to save electricity. When you come back again, it will turn ON.
- The sensitivity can be adjusted from 1 to 8 meters so it will not issue false alarms when passing in front of the sensor. The light brightness can be adjustable from 0 - 2000 Lux setting. With a timer delay function 10 Sec to 12 Min from the previous usage time, it can avoid over-usage of electricity.
- With 360 degree ceiling and 180 degree wall detection angle, perfect for anywhere that you need to turn a light on automatically when someone enters the room or area, such as the hallway, corridor, bathroom, closet etc. These energy-saving lights product saves 85% on electricity costs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B07PNL65WN |
| Date First Available | 14 March 2019 |
| Item Model Number | BT31m1 |
| Manufacturer | Blackt Electrotech |
| Product Dimensions | 6 x 5 x 3 cm; 80 g |

## Product Details

- **Brand:** Blackt Electrotech
- **Colour:** White
- **Item weight:** 80 Grams
- **Maximum range:** 8 Meters
- **Power source:** Corded Electric

## Images

![(BT31M1) Microwave/Radar Motion Sensor Occupancy Body Motion Detector Small Sq Shape 18 Months warrenty - Image 1](https://m.media-amazon.com/images/I/51NzEKCdFsL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Trusted product
*by  on Reviewed in India 28 May 2026*

Good product as per price, working well.

### ⭐⭐⭐⭐ Good one
*by  on Reviewed in India 27 April 2026*

Product is good...but with fan on it doesn't work...should be given on off button as well...

### ⭐⭐⭐ Okay
*by  on Reviewed in India 20 June 2026*

Okay

## Frequently Bought Together

- Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Body Motion Detector Small Sq Shape 18 Months warrenty
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**Shop now:** [https://www.desertcart.co.uk/products/627349877-bt31m1-microwave-radar-motion-sensor-occupancy-body-motion-detector-small](https://www.desertcart.co.uk/products/627349877-bt31m1-microwave-radar-motion-sensor-occupancy-body-motion-detector-small)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-08-07*