Written by Isa
Edited on
12 October 2026
·
08:31
What's the Anker eufy Doorbell S4?
The S4 is the latest Anker eufy doorbell. Compared to its predecessors, the doorbell has many new functions like AI tracking and auto framing. It records in 3K resolution and has a wide viewing angle thanks to the panoramic lens. In this article, you can ready everything about this smart doorbell.
Every visitor displayed
The S4 has built-in AI tracking and auto framing. This means that it detects movement and automatically zooms in on the subject. That way, the visitor always remains in the frame. Thanks to the PiR sensors and 3D radar, the doorbell senses when someone walks towards your doorbell or merely past it. As a result, you'll get less unnecessary motion notifications.
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Resolution and viewing angle
You can see razor-sharp images from up to 8m away, because the doorbell records in 3K resolution. This way, your footage remains clear when you zoom in to details. The S4 has panoramic lens with a wide 180-degree viewing angle, so you're less bothered by blind spots. You can watch the footage via the Anker eufy app. In addition, you can store recorded footage on the doorbell itself. This means that you don't need a paid subscription. And with a microSD card of up to 1TB, you can expand the built-in 8GB storage.
Night vision in color
This doorbell has a built-in light that automatically switches on with movement. This way, you never have to look for your keys in the dark. In addition, an unwanted visitor will also be made aware that they're being recorded. You can set the light via the app. Have it switch on from a certain time so it doesn't switch on with daylight, for example. You get clear footage in color, even in low light. That's because the doorbell has night vision in color.
Wired setup
Because you have to connect the doorbell to fixed wiring, it always has power. That's why you never have to take it off the wall to charge it. The installation does take more time than a wireless doorbell, because connecting the wiring takes some time. You can easily add this smart doorbell to your smart home, as it works with Amazon Alexa, Google Home, and Apple Home. This way, it works with your other smart devices.
