---
product_id: 64761037
title: "Blackt Electrotech (BT31P4 Photocell Day Night Sensor for Street Light Garden Light (Rating IP44),Acrylonitrile Butadiene Styrene"
brand: "blackt electrotech"
price: "306921₫"
currency: VND
in_stock: true
reviews_count: 8
category: "Blackt Electrotech"
url: https://www.desertcart.vn/products/64761037-blackt-electrotech-bt31p4-photocell-day-night-sensor-for-street-light
store_origin: VN
region: Vietnam
---

# 6A current, 220-250V AC Auto light sensing IP44 waterproof rating Blackt Electrotech (BT31P4 Photocell Day Night Sensor for Street Light Garden Light (Rating IP44),Acrylonitrile Butadiene Styrene

**Brand:** blackt electrotech
**Price:** 306921₫
**Availability:** ✅ In Stock

## Summary

> 🌙 Light up your nights, effortlessly and reliably!

## Quick Answers

- **What is this?** Blackt Electrotech (BT31P4 Photocell Day Night Sensor for Street Light Garden Light (Rating IP44),Acrylonitrile Butadiene Styrene by blackt electrotech
- **How much does it cost?** 306921₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/64761037-blackt-electrotech-bt31p4-photocell-day-night-sensor-for-street-light)

## 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

- • **Plug & Play Durability:** Crafted from tough Acrylonitrile Butadiene Styrene for quick installation and long-lasting resilience.
- • **Universal Compatibility:** Seamlessly controls garden, street, incandescent, and LED lights for versatile use.
- • **Power-Packed Performance:** Supports up to 250W and 6A current at 220-250V AC for consistent, high-efficiency operation.
- • **Built to Brave the Elements:** IP44-rated waterproof design ensures reliable outdoor performance rain or shine.
- • **Effortless Nighttime Automation:** Automatically switches lights on/off based on ambient light—never fumble with switches again.

## Overview

The Blackt Electrotech BT31P4 is a robust, IP44-rated photocell day-night sensor designed for automatic control of outdoor lighting. Made from durable Acrylonitrile Butadiene Styrene, it supports up to 250W and 6A at 220-250V AC, making it ideal for garden, street, and LED lighting applications. Easy to install and weatherproof, it ensures energy-efficient, hands-free lighting with a 12-month warranty for peace of mind.

## Description

Blackt Electrotech (BT31P4 Photocell Day Night Sensor for Street Light Garden Light (Rating IP44),Acrylonitrile Butadiene Styrene : desertcart.in: Home Improvement

Review: Reliable - Very good and long life product. I purchased it second time.
Review: Good product - Good product, works well

## Features

- 🌞 [Automatic Light Control]: Utilizes a light sensor to automatically turn loads on/off based on ambient light conditions, perfect for night-time operations.
- 💡 [Versatile Applications]: Ideal for controlling garden lights, streetlights, incandescent lamps, and LED lamps, providing energy-efficient lighting solutions.
- 🌧️ [Waterproof Design]: Built to withstand outdoor elements, making it suitable for both indoor and outdoor use in various environments.
- 🛠️ [Easy Installation]: Crafted from high-quality materials for durability and simplicity, ensuring quick setup and reliable operation.
- ⚡ [High Performance]: Operates on AC 220-250V, supports a rated current of 6A, and a switching frequency of 50/60Hz for consistent performance.
- 🛡️ [Warranty]: Backed by an 12-month warranty against manufacturing defects, ensuring peace of mind and lasting reliability need to return and replace.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01KMAQLB4 |
| Are batteries included? | No |
| Best Sellers Rank | #4,678 in Home Improvement ( See Top 100 in Home Improvement ) #21 in Security Lighting |
| Brand | Blackt Electrotech |
| Bulb Base | E26 |
| Colour | Gray |
| Country of Origin | China |
| Customer Reviews | 4.1 4.1 out of 5 stars (3,185) |
| Date First Available | 3 December 2016 |
| Finish Type | Polished |
| Generic Name | Day night Sensor |
| Importer | Blackt Electrotech |
| Indoor/Outdoor Usage | Outdoor |
| Installation Type | Wall Mount |
| Item Weight | 65 g |
| Item model number | BT31P4 |
| Light Colour | white |
| Light Source Type | LED |
| Light fixture form | Path |
| Lighting Method | Incandescent or LED |
| Manufacturer | Blackt Electrotech, Blackt Electrotech |
| Material | Acrylonitrile Butadiene Styrene |
| Model number | BT31P4 |
| Net Quantity | 1.00 Count |
| Number of Items | 1 |
| Packer | Blackt Electrotech |
| Power Source | AC |
| Product Dimensions | 40L x 40W x 50H Millimeters |
| Room Type | Entryway |
| Shade Material | Acrylonitrile Butadiene Styrene |
| Shape | Rectangular |
| Special Feature | Waterproof |
| Specific Uses For Product | general purpose |
| Specification Met | CE |
| Style | Rating IP44 |
| Voltage | 230 Volts (AC) |
| Wattage | 250 Watts |

## Product Details

- **Brand:** Blackt Electrotech
- **Colour:** Gray
- **Indoor/Outdoor Usage:** Outdoor
- **Light fixture form:** Path
- **Material:** Acrylonitrile Butadiene Styrene
- **Power Source:** AC
- **Product Dimensions:** 40L x 40W x 50H Millimeters
- **Room Type:** Entryway
- **Specific Uses For Product:** general purpose
- **Style:** Rating IP44

## Images

![Blackt Electrotech (BT31P4 Photocell Day Night Sensor for Street Light Garden Light (Rating IP44),Acrylonitrile Butadiene Styrene - Image 1](https://m.media-amazon.com/images/I/711fQ2ohUoL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Got damaged after 3days**
A: He says it's damaged. What can I say about it.

**Q: For how many 30watt street lights can i use this**
A: Yes it can use

**Q: Which one is neutral wire; Black or Blue?**
A: Blue/Green  is neutral. Brown for Live and red to load

**Q: How many led bulbs of 9 watts can it support at once**
A: The rated current is 6amps and watt given as 1000w, You can use 9watts bulbs nearly 100 accordingly.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable
*by X***T on 11 January 2026*

Very good and long life product. I purchased it second time.

### ⭐⭐⭐⭐ Good product
*by K***R on 10 October 2025*

Good product, works well

### ⭐⭐⭐⭐⭐ Really Good!
*by C***. on 7 November 2025*

Value for money. This was my second purchase. Even the first ones purchased about one and half years back is working perfectly. Quality product. Good material, casing.

## Frequently Bought Together

- Blackt Electrotech (BT31P4) Photocell day night sensor for street light garden light (Rating IP44)
- Quick Sense (Qs-302): Day/Nights Auto on and off Plastic Photocell Ldr Switch 220V for Home Automation, White
- Blackt Electrotech Waterproof 230Volt Auto Day/Night on and Off Photocell, LDR Sensor Switch for Lighting 2 Pieces Pack

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-15*