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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Tapo

Product ID: 467652796

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Details

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

🎤Voice control enabled

📏23 ft detection range

🔋1+ year battery life

Description

🚀 Elevate your smart home game with Tapo’s motion mastery!

ENERGY SAVVY DESIGN - Auto-activate connected devices only when you need them, saving power
EFFORTLESS INSTALLATION - Stick or magnet-mount in seconds—no tools, no hassle
SEAMLESS SMART AUTOMATION - Trigger your Tapo devices instantly with smart actions on motion
WIDE ANGLE MOTION DETECTION - Covers up to 23 ft and 120° for ultimate security awareness
REAL TIME ALERTS VOICE CONTROL - Stay informed with instant app notifications and hands-free commands

The Tapo T100 Smart Motion Sensor by TP-Link offers a 23 ft detection range with a 120° field of view, powered by a long-lasting battery that lasts over a year. It integrates seamlessly with Tapo smart devices via the Tapo Hub (sold separately), enabling automated actions and real-time alerts. Easy to install with adhesive or magnets, it supports voice control through Alexa, making it a sleek, energy-efficient addition to any modern smart home security setup.

Specifications

Number of batteries	1 Lithium Metal batteries required. (included)
Control method	Voice
Mounting type	Wall Mount
Maximum range	7 Metres
Sensor technology	Motion sensor
Size	Sensor
Manufacturer	TP-Link
Product Dimensions	3.4 x 4.23 x 4.23 cm; 50 g
Batteries	1 Lithium Metal batteries required. (included)
Item model number	Tapo T100
Series	Tapo T100
Average Battery Life (in hours)	1 years
Are Batteries Included	Yes
Lithium Battery Energy Content	96 Watt Hours
Lithium Battery Packaging	Batteries only
Lithium Battery Weight	3 Grams
Number Of Lithium Ion Cells	1
Number of Lithium Metal Cells	1
Item Weight	50 g
Guaranteed software updates until	unknown

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