Does the wired doorbell require existing doorbell wiring?
Not exactly. You can have the existing wires for power. Besides, you can also charge the wired doorbell via a power adapter. For eufy wired doorbell, it needs a 16-24V 30VA or above transformer to work.

Regarding the power adapter, please refer to
How to Hardwire Your eufy Wired Doorbell without Existing Wires.
Unresolved icon
20 undefined
Download icon
Monitoring_sticker
Download icon
Video_Doorbell_Chime_manual_en
Download icon
video_Doorbell_2K_(Wired)_Manual_eu
Download icon
T8222_Video Doorbell 1080p_INT_QSG
Download icon
video_Doorbell_2K_(Wired)_Manual_us
Download icon
video_Doorbell_1080p_(Wired)_Manual_us
View More
Play video
How to Install eufy Security Video Doorbell (Wired)
Play video
How to Install Wired Video Doorbell (EU)
Play video
How Do I Connect My eufy Cameras with Amazon Alexa
Play video
How Do I Connect My eufy Cameras to the Google Assistant App
Play video
eufy App Functions
Play video
How to Schedule Your eufy Devices
View More