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Tapo TD21 Battery DoorbellTapo TD21 Battery Doorbell

Cameras and doorbells · Tapo

Tapo TD21 Battery Doorbell

Research-based buying advice · How we research · Explore reviews

Check the live price on Amazon and eBay. Ranked #4 of the best video doorbells.

New, Amazon UK£42.49Checked yesterday, 22:35 Details

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Why it's here

Best budget

A low-cost way into a smart doorbell that still includes a chime in the box. You get 2K video, a 160° view that catches the step, and colour night vision. It works with Alexa and Google Home, but has fewer extras than the Ring and Blink, such as no zoom. See it against the rest of the best video doorbells →

view
160° head-to-toe
chime
Included
video
2K 3MP
battery
Up to 6 months

Use the research for your decision

Start with the job you need done, then read the recorded benefits and drawbacks against it. Confirm the exact model’s specifications and compatibility before buying.

This page summarises catalogue research. GVT has not independently tested this product. How to read our recommendations.

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Before choosing cameras and doorbells

These are buying checks for the category, rather than verified features of this particular model.

Your reason to buy
Define what you want to see and where the camera will be installed.
What to match
Check power, network requirements, viewing angle and storage options.
Before you pay
Include any subscription costs and check privacy and installation requirements.
Find a buying guide for your next step →

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Still unsure what fits?

Get a personal buying plan around your budget and the gear you already own. Up to three alternatives, documented fit checks and clear reasons to choose or skip.

Check my setup before I buy →£19 one-off · products bought separatelyRead an example first