If I put this inside on the ground floor looking out through a window, will it work to detect movement outside?

No. PIR sensors will not work reliably through glass. Most likely not at all. The work in detecting changes in "Infra-red" heat energy. They do however communicate to the hub over distance as they are not using wifi but 868Mhz radio communications. I have the sensors fitted inside shipping containers and the radio transmission has no problem passing through the metal skin of the container. The sensor is there to detect the door opening. You could fit outside in your garden but they are not waterproof so will need protection against the elements and not be in direct sunlight. Ideal for alcoves.

Do these have a feature so if it doesn't see motion it can trigger lights to turn off?

You can create a routine in the Alexa app, where if the Motion Sensor detects no motion for a certain length of time, it turns a device on/off (plug, bulb etc). I have mine set to turn my heater off if it detects no motion for 1 hour. So, if I forget to turn my heater off when I go out, it will do so after an hour of nobody being at home :-)

Hello, can I use the kasa hub with the tapo motion sensor and tapo smart switch? Thanks

No, Kasa and Tapo are seperate apps and not compatible

Does this work with home assistant ?

Yes the sensor works with the Tapo Hub and the home assistant app. It's great to setup "Smart" automation routines. Sensor detects something and then you add actions such as sound alarm turn on a light or record camera footage.

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T100 Smart Motion Sensor, Wide Range Motion Detector, Hub Required

Product ID: 467652796

Details

Battery description
Lithium
Brand
Tapo
Colour
White
Compatible devices
Tapo Hub Tapo
Power source
Battery

⚡Energy-saving automation

📏23 ft detection range

🔋1+ year battery life

RM178

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Description

🚀 Elevate your smart home game with motion that moves you first!

SMART HOME INTEGRATION - Effortlessly triggers Tapo devices and custom automations via the Tapo Hub and app.
INSTANT REAL TIME ALERTS - Receive immediate notifications on your phone to stay connected and secure anywhere.
WIDE ANGLE MOTION CAPTURE - Detects movement up to 23 ft with a 120° field of view for seamless coverage.
ENERGY EFFICIENT AUTOMATION - Automatically powers smart devices on/off to save energy and reduce your bills.
HASSLE FREE SETUP CONTROL - Quick 3M adhesive or magnetic mount plus voice commands via Alexa for ultimate convenience.

The Tapo T100 Smart Motion Sensor offers a powerful 23 ft detection range with a wide 120° view, enabling hands-free automation of your Tapo smart devices. Designed for easy installation with adhesive or magnets, it delivers instant app alerts and voice control compatibility via Alexa. Battery-powered for over a year and backed by a 2-year warranty, it’s the perfect energy-saving addition to any connected home ecosystem—hub required.

Specifications

ASIN	B0BC271ZWH
Battery Description	Lithium
Best Sellers Rank	1,180 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 7 in Motion Detectors (DIY & Tools) 62 in Networking Devices
Brand	Tapo
Colour	White
Compatible Devices	Tapo Hub, Tapo Devices
Control Method	Voice
Country of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (893)
EU Spare Part Availability Duration	2 Years
Included Components	3M Adhesive, Battery CR2450*1, Quick Start Guide, Smart Sensor Tapo T100
Item Type Name	Smart Motion Sensor
Item Weight	50 Grams
Manufacturer	TP-Link
Manufacturer Warranty Description	2 year manufacturer.
Maximum Range	7 Metres
Model Name	Tapo T100
Model Number	Tapo T100
Mounting Type	Wall Mount
Number of Batteries	1 Lithium Metal batteries required. (included)
Number of Items	1
Number of Packs	1
Part Number	Tapo T100
Power source	Battery Powered
Sensor Technology	Motion sensor
Size	Sensor
Unit Count	1.0 count

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RM178

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Malaysia.

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