Does it swich OFF when motion stops

if there no motion it will turn off after presetting time i.e. 10 sec to 12 min

Is it compatible with cilining fan ?

There is no fan or anything, you have to connect whatever you want as load, with operating voltage of 220V AC, load as in the label.

Why not use the motion sensor bulbs? What is the advatage of this over those bulbs?

This can be used to switch on anything, not only for lights, and this is a more accurate and fast device.

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Blackt Electrotech: (BT31M1) Microwave/Radar Motion Sensor Occupancy Motion Detector Small Sq Shape 18 Months warrenty (1)

Product ID: 143831286

Details

Brand
Blackt
Colour
white
Item Weight
80 Grams
Maximum Range
8 metres
Power Source
Corded

⚡1200W max load capacity

📏8m adjustable detection range

🔄360° ceiling & 180° wall coverage

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€ 16.33

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Sold byAmazon BelgiumDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Upgrade your space with smart sensing — never waste energy or miss a beat!

TRUSTED DURABILITY - Backed by an 18-month warranty, guaranteeing reliable performance and peace of mind.
SEAMLESS 360 COVERAGE - Wide detection angles ensure no corner is left unmonitored—perfect for hallways, bathrooms, and closets.
EFFORTLESS ENERGY SAVINGS - Automatically powers off lights/appliances when no motion is detected, slashing your electricity bills.
COMPACT CONCEALED INSTALLATION - Small 12x12x6.5 cm design fits discreetly inside switchboards or behind POP sheets for a sleek look.
PRECISION DETECTION ZERO FALSE ALARMS - Adjust sensitivity from 1 to 8 meters and brightness up to 2000 Lux for tailored, accurate sensing.

The Blackt Electrotech BT31M1 Microwave/Radar Motion Sensor combines advanced radar technology with customizable sensitivity and brightness settings to deliver precise, wide-angle motion detection. Its compact design allows for discreet installation, while supporting high load capacities up to 1200W. Ideal for energy-saving automation in homes and offices, it comes with an 18-month warranty ensuring dependable, long-term use.

Specifications

ASIN	B07PNL65WN
Antenna Location	Residential Security, Automation, Energy Management
Battery Description	battery not included
Best Sellers Rank	#2,362 in Home Improvement ( See Top 100 in Home Improvement ) #5 in Motion Detectors
Brand	Blackt Electrotech
Built-In Media	Caps
Colour	white
Compatible Devices	Appliances
Country of Origin	China
Customer Reviews	4.2 out of 5 stars 875 Reviews
Frequency	50 Hz
Importer Contact Information	Blackt Electrotech
Item Dimensions D x W x H	60D x 40W x 60H Millimeters
Item Type Name	Motion sensor
Item Weight	80 Grams
Manufacturer	Blackt Electrotech, Blackt Electrotech
Manufacturer Contact Information	Blackt Electrotech
Manufacturer Warranty Description	18 months warranty against manufacturing defects
Maximum Range	8 metres
Mfr Part Number	BT-31490
Model Number	BT31m1
Mounting Type	Wall Mount
Packer Contact Information	Blackt Electrotech
Power Source	Corded Electric
UPC	710918665535
Unit Count	1.00 Count
Upper Temperature Rating	45 Degrees Celsius

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TrustScore 4.5 | 7,300+ reviews

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