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🌗 Light-smart living made effortless—never be left in the dark again!
The Blackt Electrotech BT31P4 is a high-performance photocell day-night sensor designed for outdoor lighting control. Featuring a wide operating voltage range (AC 220-250V), precise ambient light detection (5-15 lux), and an IP44 waterproof rating, it ensures reliable, energy-efficient automatic switching of street and garden lights. Its compact, wall-mountable design with push-button control offers hassle-free installation and long-lasting durability, making it an ideal choice for modern outdoor lighting management.
| ASIN | B01KMAQLB4 |
| Best Sellers Rank | #173,497 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,458 in Electrical Wall Switches |
| Brand | Blackt Electrotech |
| Brand Name | Blackt Electrotech |
| Bulb Base | E27 |
| Color | Gray |
| Colour | Gray |
| Connectivity Protocol | Wi-Fi |
| Controller Type | Push Button |
| Customer Reviews | 4.1 out of 5 stars 3,071 Reviews |
| Finish Types | Polished |
| Fixture Type | Outdoor Lighting Fixture |
| Included Components | Screw |
| Indoor Outdoor Usage | Outdoor |
| Installation Type | Wall Mount |
| 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 |
| Light fixture form | Path |
| Lighting Method | Incandescent or Fluorescent |
| Manufacturer | Blackt Electrotech |
| Manufacturer Part Number | BT31P14 |
| Material | Acrylonitrile Butadiene Styrene |
| Material Type | Acrylonitrile Butadiene Styrene |
| Model Number | BT31P4 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Other Special Features of the Product | Waterproof |
| Power Source | AC |
| Recommended Uses For Product | Outdoor lighting control, Energy management |
| Required Assembly | No |
| Room Type | Entryway |
| Room type | Entryway |
| Shade Material | Acrylonitrile Butadiene Styrene |
| Shape | Rectangular |
| Size | 3 x 3 |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specific Uses For Product | general purpose |
| Specification Met | CE |
| Style Name | Rating IP44 |
| Switch Type | Push Button |
| Unit Count | 1 Count |
| Voltage | 230 Volts (AC) |
| Water Resistance Level | Waterproof |
| Wattage | 250 watts |
X**T
Reliable
Very good and long life product. I purchased it second time.
P**L
Tension free.
Just connect it and forget it, no tension to on off everyday. Amazing product. I have using 3 for 5 different lights.
V**H
Installed at a Handy Outdoor Location under Roof
Bought it in March 2024 for about ₹275. Works fine with 50W load - no problems so far: switches the load ON at dusk and switches OFF at dawn. Looks Durable. Hence the 5-star rating. 🪛 I have installed it at a handy outdoor location under the roof, instead of at a vertical height of outdoor light. It makes this Photocell easily serviceable/replaceable, not needing a ladder to reach at the top of the pole light. ☂️ Keeping it under the roof should extend its life as there's no rain and minimum direct sunlight to deteriorate its plastic casing. 🌞 Also it is a well known fact that electronic components give up sooner when under the UV rays of Sun for prolonged time. 🗓️⏳ Since the daylight-detection and load (light-bulb) controlling circuitry runs 24x7, I would be satisfied if this Photocell lasts for 3-years, and would be delighted if lasts for more than 5-years.
N**.
Working fine, perfect requirement for my need
I have purchased this sensor to turn on / off my outdoor Street lights and installed near to night vision camera to check the efficiency. The light sensor is getting turn on 10 mins before and turning off 10 mins after my CC camera / inbuilt light sensor in my home is getting turned on / off. Pros: 1)Built quality 2)Easy installation 3) working functionality 4) Reduced the dependency on my neighbors to turn on/off my Street lights during my outstation. 5) Can use the single sensor to multiple lights, If we connect to the power input as I have shown in the image, I am using it for three street lights. Suggestion: Can you add earthing as well to avoid damage to sensor during high voltage/ short circuit. Overall the product was good. Note : This review is based on 1 year 4 months (Purchased on : 28/05/2023) observation. Will update it on time interval, to update it's work efficiency.
M**I
Durability is concern.
The product is good and easy to install. However it woks only for 6 months, after that its stopped working. 1st item - stopped working after 5 months 2nd item - working at 6th month 3rd item - symptom of degrading at 4th month (takes lot of time to switch on/off)
Trustpilot
3 weeks ago
3 weeks ago