---
product_id: 64761037
title: "(BT31P4 Photocell Day Night Sensor for Street Light Garden Light (Rating IP44),Acrylonitrile Butadiene Styrene"
brand: "blackt electrotech"
price: "¥1077"
currency: JPY
in_stock: true
category: "Blackt Electrotech"
url: https://www.desertcart.jp/products/64761037-bt31p4-photocell-day-night-sensor-for-street-light-garden-light
store_origin: JP
region: Japan
---

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

**Brand:** blackt electrotech
**Price:** ¥1077
**Availability:** ✅ In Stock

## Summary

> 🌟 Illuminate smarter, not harder — your lights’ new best friend!

## Quick Answers

- **What is this?** (BT31P4 Photocell Day Night Sensor for Street Light Garden Light (Rating IP44),Acrylonitrile Butadiene Styrene by blackt electrotech
- **How much does it cost?** ¥1077 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/64761037-bt31p4-photocell-day-night-sensor-for-street-light-garden-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 Installation:** Lightweight ABS construction and wall-mount design make setup a breeze—no assembly required.
- • **Reliable Power & Warranty:** Operates at 220-250V AC with 6A current support and backed by a 12-month manufacturer warranty.
- • **Built to Brave the Elements:** IP44 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.
- • **Universal Lighting Compatibility:** Seamlessly controls garden, street, incandescent, and LED lamps for versatile use.

## Overview

The Blackt Electrotech BT31P4 is a durable, IP44-rated photocell day-night sensor designed for automatic control of outdoor lighting. Compatible with various lamp types and operating at 220-250V AC with a 6A current rating, it offers hassle-free installation and reliable performance backed by a 12-month warranty.

## Description

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

## 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 |
| Best Sellers Rank | #4,587 in Home Improvement ( See Top 100 in Home Improvement ) #13 in Security Lighting |
| Brand | Blackt Electrotech |
| Bulb Base | E26 |
| Colour | Gray |
| Connectivity Protocol | Wi-Fi |
| Controller Type | Push Button |
| Country of Origin | China |
| Customer Reviews | 4.1 4.1 out of 5 stars (3,155) |
| Enclosure Material | Acrylonitrile Butadiene Styrene |
| Finish Types | Polished |
| Fixture Type | Outdoor Lighting Fixture |
| Importer Contact Information | Blackt Electrotech |
| Indoor Outdoor Usage | Outdoor |
| Installation Type | Wall Mount |
| Is Assembly Required? | No |
| Item Dimensions L x W x H | 40L x 40W x 50H Millimeters |
| Item Type Name | Day night Sensor |
| Item Weight | 65 Grams |
| Light Color | white |
| Light Fixture Form | Path |
| Light Source | LED |
| Lighting Method | Incandescent or LED |
| Manufacturer | Blackt Electrotech, Blackt Electrotech |
| Manufacturer Contact Information | Blackt Electrotech |
| Manufacturer Part Number | BT31P14 |
| Manufacturer Warranty Description | 12 month warranty against manufacturer defects |
| Model number | BT31P4 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Other Special Features of the Product | Waterproof |
| Packer Contact Information | Blackt Electrotech |
| Power Source | AC |
| Recommended Uses For Product | Residential and Commercial Lighting Control and Automation |
| Room Type | Entryway |
| Shade Material | Acrylonitrile Butadiene Styrene |
| Shape | Rectangular |
| Specific Uses For Product | general purpose |
| Specification Met | CE |
| Style | Rating IP44 |
| Switch Type | Push Button |
| Unit Count | 1.00 Count |
| Voltage | 230 Volts (AC) |
| Water Resistance Level | Waterproof |
| 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

![(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.

## Frequently Bought Together

- Blackt Electrotech (BT31P4) Photocell day night sensor for street light garden light (Rating IP44)
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- Blackt Electrotech Waterproof 230Volt Auto Day/Night on and Off Photocell, LDR Sensor Switch for Lighting 2 Pieces Pack

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**Shop now:** [https://www.desertcart.jp/products/64761037-bt31p4-photocell-day-night-sensor-for-street-light-garden-light](https://www.desertcart.jp/products/64761037-bt31p4-photocell-day-night-sensor-for-street-light-garden-light)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-26*