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eufy Security E340 2K Wi-Fi Battery-Powered Video Doorbell

BH #EUT8214111 • MFR #T8214111
22 reviews
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eufy Security E340 2K Wi-Fi Battery-Powered Video Doorbell
Key Features
  • Video Doorbell to Monitor Front Door
  • 2560 x 1920 Resolution
  • Dual Cameras
  • Battery-Powered or Hardwired Operation
Monitor your front door with the E340 2K Wi-Fi Battery-Powered Video Doorbell from eufy Security. This unit allows you to replace your existing hardwired doorbell. Powered by either a hardwired connection or a built-in rechargeable battery, this Wi-Fi doorbell captures 2560 x 1920 resolution video from two cameras. A front-facing camera captures people, while a downward-facing camera captures the ground in front of your door. Color night vision enables a nighttime viewing of up to 16'. Two-way audio communication allows you to interact with visitors. 8GB of internal storage is available for storing captured footage.

Remote management is via the eufy Security app for iOS and Android. Seamless voice control is possible thanks to compatibility with Amazon Alexa and Google Assistant.

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eufy Security E340 Overview

Monitor your front door with the E340 2K Wi-Fi Battery-Powered Video Doorbell from eufy Security. This unit allows you to replace your existing hardwired doorbell. Powered by either a hardwired connection or a built-in rechargeable battery, this Wi-Fi doorbell captures 2560 x 1920 resolution video from two cameras. A front-facing camera captures people, while a downward-facing camera captures the ground in front of your door. Color night vision enables a nighttime viewing of up to 16'. Two-way audio communication allows you to interact with visitors. 8GB of internal storage is available for storing captured footage.

Remote management is via the eufy Security app for iOS and Android. Seamless voice control is possible thanks to compatibility with Amazon Alexa and Google Assistant.

Powered by a detachable battery or hardwired connection
Dual-camera design eliminates blind spots
Compatible eufy MiniBase Chime or HomeBase (both available separately)
Use as a standalone unit or with the eufy HomeBase
Voice control via Amazon Alexa and Google Assistant
Compatible with your existing chimes or an Alexa echo device used as a chime
Receive instant notifications from the eufy Security app for iOS and Android
Select from up to six quick replies for visitors while you're away
Motion, human detection AI, package detection AI, and face recognition AI
No subscription fees for anytime playback (optional cloud storage available separately)
UPC: 194644137175

eufy Security E340 Specs

Key Specs
Resolution and Frame Rate
2560 x 1920
Sensor Resolution
4 MP
Night Vision
Up to 16' / 4.9 m
Camera
Resolution and Frame Rate
2560 x 1920
Sensor Resolution
4 MP
Night Vision
Up to 16' / 4.9 m
General
Motion Sensor
Yes
Internal Storage
8 GB
Memory Card Capacity Supported
No
Display
No
OS Compatibility
Android/iOS
Communications
Wireless
Yes
Intercom
Yes
Microphone Enhancements
No
Power
Power Type Requirement
Hardwired, Rechargeable Battery
Physical
LED Indicators
Yes
Packaging Info
Package Weight
1.05 lb
Box Dimensions (LxWxH)
6.8 x 4 x 2.7"

eufy Security E340 Reviews

Love this company

By James
Rated 5 out of 5
Date: 2026-05-11

A few years ago I ordered and installed a few cameras from Eufy. I have noticed over the years that I have not had a single issue with them once they are set up. So I recently purchased additional cameras including this floodlight camera and home base and a monitor. The setup had one issue. The barcode that you have to scan is where you have to hold it in your hands to scan it. So when I hired somebody to install it I did not know that. I ended up having to call the contractor back to help set it up and then he hooked it back up and I've had no issue since. Hooking up the home base and the monitor was a breeze. Everything works extremely well and even does some things I did not realize it could do. Example if you come into camera frame with the Bud light it will track you across my yard and notify the doorbell to start recording when you start to cross its path. I don't know if all of the AI features and everything yet but this thing is smart coming out of the box. These cameras simply always work and do not cost a dime in subscription fees. Their products are simply better in my opinion than the competition.

Great video doorbell

By Nick
Rated 5 out of 5
Date: 2025-08-17

I made the switch from SimpliExpensive to Eufy, no regrets! Great video doorbell.

See any errors on this page?

Does it support Apple HomeKit

Does it support Apple HomeKit
Asked by: Douglas
The eufy Security E340 2K Wi-Fi Battery-Powered Video Doorbell, BH #EUT8214111, will not work with Apple HomeKit.
Answered by: Elchanan P
Date published: 2025-08-21

How long does the battery last?

How long does the battery last?
Asked by: Jeffrey
When using the eufy Security E340 2K Wi-Fi Battery-Powered Video Doorbell, please expect that real-world usage typically yields 3 weeks to 3 months, depending on your settings and foot traffic. It takes roughly 5 hours for a full charge.
Answered by: Chris H
Date published: 2026-05-25

What is the units dimension? Don't give a damned ...

What is the units dimension? Don't give a damned about "box size!
Asked by: Arthur
The dimensions of the Eufy Security E340 2K Wi-Fi Battery-Powered Video Doorbell are 6.0 inches in height, 1.9 inches in width and 1.2 inches in depth.
Answered by: Nathan F
Date published: 2026-02-23

How is the on-board storage managed? Does it ...

How is the on-board storage managed? Does it automatically overwrite the oldest recordings? Also, can the videos be downloaded?
Asked by: Michael
Yes, you can access recordings from the Eufy App on your phone. Furthermore, the recordings would be overwritten (oldest first) if the storage fills up.
Answered by: Chris H
Date published: 2026-02-23

How long does the battery on the camera last?

How long does the battery on the camera last?
Asked by: Michael
The Eufy Security E340 Floodlight Outdoor Pan & Tilt Dual Camera is not battery-powered; it needs to plug into AC power with the included power supply, which is 100-240V AC, 50-60Hz. Below, you'll see another Eufy model that is battery-powered and solar-charged, and as long as the solar panel gets two hours of sun per day, it will remain powered: eufy Security S340 Outdoor Pan & Tilt Dual Camera with Solar Panel (B&H # EUT81701W1)
Answered by: Michael S
Date published: 2026-02-23
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