Black eufy Video Doorbell E340 with a main camera at the top, a blue-ringed button and a second camera on the bottom edge

eufy Video Doorbell E340

A dual-camera doorbell with a second lens aimed at packages, 8GB of storage inside the doorbell and free person, face and package alerts.

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Compatibility report
Video Doorbell E340, model T8214, battery or wired

What works. What doesn't.

Working in this setup

Storage

8GB of storage in the doorbell. eufy estimates 90 days at 30 clips of 20 seconds a day. Cloud plans are optional.

Manufacturer documentation / Source checked 2026-10-09
eufy: Video Doorbell E340

With limitations

Privacy

eufy says push notifications with thumbnail previews store those thumbnails in the cloud temporarily.

Manufacturer documentation / Source checked 2026-10-09
eufy: Video Doorbell E340

With limitations

Installation

eufy's E340 spec sheet lists 16-24V and 10VA for wired power, works with a mechanical chime but not a digital chime, and 2.4GHz Wi-Fi only. eufy's general wired-doorbell article asks for 30VA. The battery must stay installed in wired mode.

Manufacturer documentation / Source checked 2026-10-09
eufy Support: Understanding the Specifications of the Video Doorbell E340

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