Tapo T31 KIT Door Sensor Starter Kit with 3 Sensors and Hub

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Product guide

Tapo T31 KIT Door Sensor Starter Kit with 3 Sensors and Hub

Tapo T31 KIT is a door and window contact sensor starter kit with three T110 sensors and one H100 hub with chime. The hub is required for the sensors, and its 2.4 GHz Wi-Fi connection is also required. It can send app alerts and trigger compatible Tapo automations, while customer feedback is positive about installation but mixed on connectivity and alarm loudness.

At a glance

The hub connects up to 64 sensors, switches and buttons, according to the listing.
Sensors report door or window open and closed status through the Tapo app and can trigger a listed 90dB customizable alarm.
The listing describes magnetic or adhesive sensor mounting and smart-lighting and Tapo camera automations.
Matter is advertised, with Alexa, Google Home, Apple HomeKit and Samsung SmartThings named as supported platforms for Matter-certified devices.

Price

$41.99Save 30%

Reference price: ~~$59.99~~

Price checked: Nov 13, 2026

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Often bought together

TP-Link Tapo Motion Sensor, Requires Tapo Hub, Long Battery Life w/Sub-1G Low-Power Wireless Protocol, Wide Range Detection, Adjustable Sensitivity, Real-Time Notification, Smart Action, Tapo T100

$13.99

Tapo Smart Water Leak Detector, Requires Tapo Hub, T300 | Water Leak Sensor Wi-Fi with Rapid Dripping Detection, 90dB Adjustable Alarm, App Alerts, Works with Alexa and Google Home

$16.99

Pros and cons

Pros

Three contact sensors and the hub are specified in the kit, covering multiple doors or windows from one starter purchase.
The sensors can also monitor other opening items such as cabinets, refrigerators and mailboxes.
App alerts and activity history provide a way to review detected opening events remotely, according to the listing.

Cons

Sensor operation depends on the included hub, so this is not a stand-alone sensor setup.
The hub requires 2.4 GHz Wi-Fi, according to the listing.

Technical specifications

13 specifications

Identity
Brand	Tapo
Model	Tapo T31 KIT
Color	White

Power and battery
Power configuration	Battery Powered
Battery life listed	2 years
Battery description	Lithium-Ion
Battery quantity listed	3 C batteries required. (included)

Compatibility and installation
Compatible devices	Alexa, Google Home, Matter, Smartphone, Tablet
Mounting types listed	Door Mount, Window Mount

Kit and alarm features
Components listed	1 x Tapo H100; 3 x Tapo T110
Customizable alarm listed	90dB

Dimensions
T110 sensor dimensions	2.42 x 1.48 x 0.48 inches
H100 hub dimensions	2.8 x 2.5 x 2 inches

What to know before buying

Listing details to confirm

The listing is inconsistent about batteries: the details specify three included C batteries and a two-year life, while feature text describes an up-to-two-year CR2032 battery for each sensor. Confirm the battery type and what is supplied for the selected kit. The title and component list identify three T110 sensors with an H100 hub, while some battery statements do not clearly apply to that complete kit. The stated 90dB alarm is a listing claim, and customers give mixed feedback on alarm loudness and connectivity.

Who is it for?

A good fit for

Households seeking contact sensors for several doors or windows with one included hub.
Tapo users who want app alerts, an activity log, and possible lighting or camera automations.
Buyers who want to use Matter-compatible smart-home platforms, after confirming the desired devices and setup work together.

Less suited to

People seeking sensors that work without a hub or without 2.4 GHz Wi-Fi.
Buyers who need a consistently loud alarm, as customer feedback on alarm sound is mixed.

Tapo T31 KIT Door Sensor Starter Kit with 3 Sensors and Hub · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 349 ratings

5 stars76%76%
4 stars13%13%
3 stars4%4%
2 stars2%2%
1 star5%5%

Customer feedback describes the sensors as easy to install and reports positive experiences using them on windows, but connectivity, notifications, mounting, compatibility and alarm sound receive mixed feedback. Some customers report connection problems or say the alarm is not very loud. That matters for a kit whose operation depends on the hub and whose listing advertises app alerts and a 90dB alarm. Aggregate ratings skew toward five-star responses, but do not resolve these specific concerns.

Positive themes

Customers describe installation as easy and report that the sensors work well on windows.

Mixed feedback

Feedback is mixed on connectivity, notifications, mounting and compatibility.
Some customers report connectivity problems, and some find the alarm sound insufficiently loud.

Frequently asked questions

What is included in the Tapo T31 KIT?

The listing identifies one Tapo H100 hub with chime and three Tapo T110 contact sensors. Its details also mention included C batteries, but feature text gives a conflicting CR2032 battery description, so verify the battery contents.

Can the sensors work without the hub?

No. The listing says the sensors require the Tapo hub to operate.

Does this kit require Wi-Fi?

The listing specifies that 2.4 GHz Wi-Fi is required for the hub.

Can the sensors trigger an alarm or automation?

The listing describes a customizable 90dB alarm and automations with compatible smart lights or Tapo pan/tilt cameras. Camera and lighting devices are not identified as kit components.