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🚀 Elevate your space with motion-sensing brilliance—because smart energy is the new luxury.
The Blackt Electrotech BT31W is a high-performance PIR motion sensor designed for energy-efficient lighting control. Featuring adjustable sensitivity (1-8m), customizable brightness (0-2000 Lux), and wide detection angles (360° ceiling, 180° wall), it supports heavy loads up to 1200W incandescent and 300W LED. Ideal for residential and commercial spaces, it offers automatic energy saving with a timer delay of 10 seconds to 7 minutes, compact wall-mount design, and an 18-month warranty, making it a reliable, smart upgrade for modern energy management.
| ASIN | B00ZOZI17A |
| Antenna Location | Residential Security, Commercial Security, Automation, Energy Management |
| Battery Description | Battery not included |
| Best Sellers Rank | #3,213 in Home Improvement ( See Top 100 in Home Improvement ) #6 in Motion Detectors |
| Brand | Blackt Electrotech |
| Built-In Media | Nuts |
| Colour | White |
| Compatible Devices | Light, Fan, Bulb, CFL |
| Country of Origin | India |
| Customer Reviews | 4.0 out of 5 stars 1,592 Reviews |
| Frequency | 50 Hz |
| Item Dimensions D x W x H | 9D x 8W x 8H Centimeters |
| Item Type Name | MOTION SENSOR |
| Item Weight | 200 Grams |
| Manufacturer | Blackt Electrotech, Blackt Electrotech |
| Manufacturer Contact Information | Blackt Electrotech |
| Maximum Range | 12 metres |
| Mfr Part Number | BT-31A |
| Model Number | BT-31 |
| Mounting Type | Wall Mount |
| Packer Contact Information | Blackt Electrotech |
| Power Source | Corded Electric |
| Unit Count | 1.00 Count |
A**L
Good motion sensor with 6m range
Good motion sensor, with a range of 5 to 6 m.
R**C
An Impressive PIR Motion Sensor Which Can Detect Motions of Heat Emitting Bodies
An impressive PIR (Passive Infrared) motion sensor. Has a very good response time. Triggers the sensor when a heat emitting body moves in its detection field (works fine for 160+ degree coverage & up to 10-11 meters distance). A problem which I noticed was that minor motions, even human, are ignored and if the device is connected to a light in a room you will have to make serious motions between the set time period or else the sensor won't trigger. So if you are powering a light source with this sensor in a computer room you will have to wave your hand or make some sort of motion within the set time delay or else the sensor will trigger off.
T**.
Works perfectly
Good services by Seller.
M**S
Good product but tough to understand
It's a good product, what's missing is it only moves up and down and not sideways, and that's a negative point. So to get the proper effect I had to install it a metre away from the light which means exposed ugly wires. It works now after one day properly, like staying off when there is another light on or it's day time,but the Time is not as described It remains on for at least minimum 3 minutes. I have uploaded a picture for the settings which have worked well. If there was one that could move up down and sideways then this would be the best item
G**H
Bad quality
Don’t ever buy this product try to get different brand with warranty in case any issue so you can return. The company claim sensor range is 12meter but it’s not even working for 3meter. I bought two only used one and got bad result and tried to return second one but company is saying no return. Avoid buying this brand.
S**O
its working perfectly even after 6 yrs.
its working perfectly even after 6 yrs.
U**A
Good work
Nice looking nice work and best quality
K**M
Standard
Shandar
S**I
Did the job
So far it is working fine as expected
Trustpilot
2 days ago
1 week ago