---
product_id: 165992181
title: "Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch"
brand: "blackt electrotech"
price: "NT$505"
currency: TWD
in_stock: false
reviews_count: 8
url: https://www.desertcart.tw/products/165992181-blackt-electrotech-bt31wh-motion-sensor-light-switch-outdoor-ac-220v
store_origin: TW
region: Taiwan
---

# 3-2000 lux ambient light adjust 300W LED & 1200W incandescent load 12m motion detection range Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch

**Brand:** blackt electrotech
**Price:** NT$505
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Light up your space, hands-free and hassle-free!

## Quick Answers

- **What is this?** Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch by blackt electrotech
- **How much does it cost?** NT$505 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/165992181-blackt-electrotech-bt31wh-motion-sensor-light-switch-outdoor-ac-220v)

## 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

- • **Durable & Reliable:** Robust AC 220-250V operation ensures consistent performance for your smart home needs.
- • **Effortless Installation:** Quick wall-mount setup at 1.8-2.5m height, ideal for porches, garages, and staircases.
- • **Powerhouse Compatibility:** Supports a broad range of lighting and fan loads up to 1200W, perfect for any modern setup.
- • **Customizable Light Sensitivity:** Adjust ambient light threshold from twilight to daylight (3-2000 lux) to optimize energy savings.
- • **Seamless Hands-Free Activation:** PIR sensor detects motion up to 12 meters with a wide 180° field for effortless lighting control.

## Overview

The Blackt Electrotech BT31WH is a versatile outdoor/indoor motion sensor light switch featuring a 12-meter PIR sensor with a 180° detection angle. It supports high load capacities (up to 300W LED and 1200W incandescent), adjustable ambient light sensitivity (3-2000 lux), and easy wall-mount installation. Designed for reliable AC 220-250V operation, it’s perfect for energy-efficient, automated lighting in modern homes and workplaces.

## Description

Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch : desertcart.in: Home & Kitchen

Review: good motion sensor. - have been using it since 2 weeks and the product is performing well... The motion sensor range is good and and the light switches off as the per the desired time. Also the option of moving the sensor up and down and right and left is very useful. I am using it on the staircase...
Review: Good product - The product is good, but sometimes the sensor doesn't work

## Features

- 💡 Automatic Motion Detection: Equipped with a PIR motion sensor for seamless hands-free operation, detecting movement within 5-12 meters and a wide 180° angle. Ideal for outdoor and indoor spaces.
- 🔋 Versatile Load Compatibility: Supports incandescent lamps, LED lights, CFLs, and fans with a load capacity of up to 300W (LED) and 1200W (Incandescent).
- ⚡ Adjustable Ambient Light Sensitivity: Customize ambient light settings from 3-2000 lux to suit your environment and save energy efficiently.
- 🛠️ Easy Installation: Designed for quick setup at a height of 1.8-2.5 meters, perfect for porches, hallways, garages, and more.
- 🌟 Reliable Performance: Operates on AC 220-250V (50/60Hz) with a durable build, ensuring consistent performance and long-lasting durability.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07PS15G7J |
| Battery Description | Battery not included |
| Best Sellers Rank | #20,558 in Home Improvement ( See Top 100 in Home Improvement ) #129 in Security Lighting |
| Brand | Blackt Electrotech |
| Colour | White and Grey |
| Compatible Devices | Light |
| Included Components | false |
| Item Dimensions LxWxH | 6 x 21 x 4 Centimeters |
| Item Weight | 220 g |
| Item model number | BT31WH |
| Manufacturer | Blackt Electrotech |
| Maximum Range | 12 metres |
| Mounting Type | Wall Mount |
| Power Source | Corded Electric |
| Product Dimensions | 6 x 21 x 4 cm; 220 g |
| Recommended Uses For Product | light sensor |
| UPC | 710918665504 |

## Product Details

- **Brand:** Blackt Electrotech
- **Colour:** White and Grey
- **Item Weight:** 220 Grams
- **Maximum Range:** 12 metres
- **Power Source:** Corded Electric

## Images

![Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch - Image 1](https://m.media-amazon.com/images/I/21cZwWGQXZL.jpg)
![Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch - Image 2](https://m.media-amazon.com/images/I/31Q+YKHJWFS.jpg)
![Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch - Image 3](https://m.media-amazon.com/images/I/41ZvL40cSIL.jpg)
![Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch - Image 4](https://m.media-amazon.com/images/I/41cxGtHryTL.jpg)
![Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch - Image 5](https://m.media-amazon.com/images/I/41h-q+1WJRL.jpg)

## Questions & Answers

**Q: How i install this product with cricut**
A: Circuit diagram included in pack.

**Q: how can i use the continue light on after sensor fitting.**
A: U can increase the duration of light by change the pre- set button

**Q: Warranty details for the product blackt electrotech(bt31wa) : motion sensor light switch outdoor ac 220v automatic infrared pir motion sensor switch**
A: Yes it will sense.

**Q: how many months warranty**
A: May be 12  months, not sure.

## Customer Reviews

### ⭐⭐⭐⭐⭐ good motion sensor.
*by K***L on 22 July 2025*

have been using it since 2 weeks and the product is performing well... The motion sensor range is good and and the light switches off as the per the desired time. Also the option of moving the sensor up and down and right and left is very useful. I am using it on the staircase...

### ⭐⭐⭐⭐ Good product
*by A***M on 4 April 2023*

The product is good, but sometimes the sensor doesn't work

### ⭐⭐⭐⭐⭐ Easy DIY adjustable motion sensor
*by J***O on 8 July 2025*

Works like a charm. Easy to connect to the switch. Used this for a DIY connect to a strip light. Good luck

## Frequently Bought Together

- Blackt Electrotech(BT31WH) : Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch
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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-02-07*