Can you use this h100 hub with C420 cameras? I can't find the H200 sold separately and need a second hub as using cameras in diff buildings

No, Tapo H100 cannot support Tapo C420 Cameras. The Tapo H200 will be released in later Dec.

Thermostat and smart plug can I just use the tapo app to controll minimum and maximum temperature to turn appliances on and off ?

you would need to add a tapo hub, the thermostat won't communicate directly to your router as this takes a lot of battery power, instead it communicates with the hub which plugs directly into a power socket, from there you can download and control a tapo smart socket via the tapo app. Having said all that, I bought one to control the humidity in my chameleon vivarium and it was worse than hopeless so I've ditched it. Money wasted!

Anyone know the maximum operating temperature for the door sensor? I want to use one in an external post box and receive an alert when it's opened?

Hi, Tapo T100 Operating Temperature: 0 ºC– 40 ºC (32°F–104°F ) Hope this info is helpful. ^WR

Are there parts in the box to fit this sensor to offset doors and windows (i.e. those that are not level with the frame)?

It comes with sticky foam pads. You can double up the pads on one half for offset frames

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Smart Hygrometer and Thermometer, Humidity Meter, Free Data Storage, Real Time Notifications, Battery Included, Working with Alexa and Google Home, White

Product ID: 492437949

Details

Battery description
CR2450
Brand
Tapo
Colour
White
Item weight
50 Grams
Product dimensions
46W x 46H

📊2 years free cloud data storage

🔋2-year battery life

⏱️Updates every 2 seconds

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Description

🌡️ Stay ahead of the curve with Tapo T310 — your smart climate guardian!

DATA DRIVEN DECISIONS - Access up to 2 years of free cloud-stored data with intuitive visual summaries to optimize your living or workspace climate.
PRECISION AT A GLANCE - Ultra-fast updates every 2 seconds with ±0.3°C and ±3% RH accuracy keep your environment perfectly monitored.
SMART HOME INTEGRATION - Seamlessly automates your home electronics by triggering actions when temperature or humidity stray from your set comfort zones.
FLEXIBLE VOICE ENABLED - Mount it anywhere with adhesive, magnet, or lanyard, and control temperature monitoring hands-free via Alexa or Google Assistant.
INSTANT ALERTS ZERO HASSLE - Receive real-time notifications on your phone to stay ahead of any environmental changes—perfect for baby rooms, greenhouses, or offices.

The Tapo T310 Smart Humidity Meter is a compact, highly accurate indoor temperature and humidity sensor that updates every 2 seconds. Designed for seamless integration with smart home hubs (Tapo H100/H200 required), it offers 2 years of free cloud data storage, instant mobile alerts, and voice control compatibility. With a 2-year battery life and versatile mounting options, it empowers professionals to optimize their environment effortlessly.

Specifications

ASIN	B0BLZFJBT2
Battery Description	CR2450
Best Sellers Rank	1,837 in Garden ( See Top 100 in Garden ) 8 in Hygrometers
Brand	Tapo
Colour	White
Country Of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (618)
EU Spare Part Availability Duration	2 Years
Included Components	Smart Sensor Tapo T310, Quick Start Guide, Battery CR2450*1, 3M Adhesive
Item Dimensions W x H	46W x 46H millimetres
Item Length	46 Millimetres
Item Type Name	Smart Temperature & Humidity Monitor
Item Weight	50 Grams
Manufacturer	TP-Link
Manufacturer Part Number	TAPO T310
Model Number	Tapo T310
Mounting Type	Tabletop
Operating Humidity	Approximately ±3% RH
Product Warranty	2 year manufacturer
Temperature Accuracy	± 0,3 °C
Temperature Reading Accuracy	plus_minus_0_point_3_degrees_celsius
Upper Temperature Rating	0.54 Degrees Fahrenheit

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