Can i connect it to a tv? and turn it on during day too?

There’s no point connecting this to a TV as it doesn’t have an exact switch-off time so you may have a situation when it switches off while you are still watching the TV (and you will have to move a bit for it to re start and that can take time coming back to the same channel) and on the other hand it can be running when you even leave the room, depending on how much time you have set it up for. Turning it on during the day is also a challenge but you could cover it with a dark cloth to switch it on but then that’s not an automatic switching on.

how is the connections done.to the cfl bulb?

Dear Kabir, The electrical connection of the Motion Sensor will be in series after switch , and it cn be use for any type of light , It works satisfactory and product is OKEY.

Can it sense motion of stray cats that enter balcony and dirty the area?

since the body area of cats is much small it may not sence thermal radiation may not be suffeient

Blackt Electrotech Bt31w Pir Sensor Motion Sensor Energy Saving Motion

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Description

🚀 Elevate your space with motion-sensing brilliance—because smart energy is the new luxury.

SMART ENERGY SAVER - Automatically cuts power when no motion is detected, slashing your electricity bills without lifting a finger.
PRECISION DETECTION - Customizable sensitivity up to 8 meters and brightness control up to 2000 Lux for zero false alarms in any environment.
360 180 COVERAGE - Full-room awareness with 360° ceiling and 180° wall detection angles—never miss a movement in hallways, bathrooms, or corridors.
HEAVY DUTY COMPATIBILITY - Supports up to 1200W incandescent and 300W LED loads, perfect for diverse lighting setups in professional and home spaces.
PLUG PLAY WITH CONFIDENCE - Compact design with easy wall mounting and backed by an 18-month warranty for hassle-free, long-term reliability.

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.

Specifications

ASIN	B00ZOZI17A
Antenna Location	Residential Security, Commercial Security, Automation, Energy Management
Battery Description	Battery not included
Best Sellers Rank	#3,332 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 1,583 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

Reviews

B**U

30.10.2025

R**C

1.09.2018

T**.

7.04.2026

P**R

12.04.2025

A**L

21.03.2026

B**R

31.03.2026

U**A

4.02.2026

K**M

17.03.2026

S**I

11.03.2024

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