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eufy Security Video Doorbell E340 (Battery Powered), Dual Cameras with Delivery Guard, 2K Full HD and Color Night Vision, HomeBase S380 Compatible, No Monthly Fee
+ $20 off w/ promo code BNWF239, limited offer
- Dual Cameras, Double Security: Two cameras work together to deliver advanced viewing. The front-facing camera focuses on people, while the downward-facing camera fills in the gaps with a view of the floor in front of your door.
- Color Night Vision for a Clear View : Introducing the industry's first dual-light system paired with an advanced light capturing and processing algorithm. Less blur than previous iterations of night vision and a clear nighttime viewing distance of up to 16ft (5m).
- See What Matters in 2K Full HD Clarity: 2K clarity reveals more details. Get clear and detailed visuals of your doorstep and anyone who drops by.
- Battery or Wired, Your Choice: Battery mode makes installation easy. Keep a spare quick-release battery for quick swaps and avoiding downtime due to charging. Wired mode is also powered by the battery, which is topped up by the wired power source for long-lasting performance. Note: Wired mode requires the battery to be installed.
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Overview
Specs
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Color Night Vision for a
Clear View: Introducing the industry's first dual-light system paired with an advanced light capturing and processing algorithm. Less blur than previous iterations of night vision and a clear nighttime viewing distance of up to 16ft (5m).
See What Matters in 2K Full HD Clarity: 2K clarity reveals more details. Get clear and detailed visuals of your doorstep and anyone who drops by.
Battery or Wired,
Your Choice: Battery mode makes installation easy. Keep a spare quick-release battery for quick swaps and avoiding downtime due to charging. Wired mode is also powered by the battery, which is topped up by the wired power source for long-lasting performance.
Note: Wired mode requires the battery to be installed and a power source power should be connected with 16 to 24V and >10VA.
Pair with a Chime to
Hear Alerts Throughout Your Home: Can connect with your existing chime, or pair with eufy HomeBase S280, eufy HomeBase S380, eufy Minibase Chime (T8023), Alexa devices, and Google Voice Assistant devices.
Note: Not compatible with the original eufy Wi-Fi Chime (T8020) or eufy Chime (T8740/T8742). Store your data locally with no subscription fee.
Clear View: Introducing the industry's first dual-light system paired with an advanced light capturing and processing algorithm. Less blur than previous iterations of night vision and a clear nighttime viewing distance of up to 16ft (5m).
See What Matters in 2K Full HD Clarity: 2K clarity reveals more details. Get clear and detailed visuals of your doorstep and anyone who drops by.
Battery or Wired,
Your Choice: Battery mode makes installation easy. Keep a spare quick-release battery for quick swaps and avoiding downtime due to charging. Wired mode is also powered by the battery, which is topped up by the wired power source for long-lasting performance.
Note: Wired mode requires the battery to be installed and a power source power should be connected with 16 to 24V and >10VA.
Pair with a Chime to
Hear Alerts Throughout Your Home: Can connect with your existing chime, or pair with eufy HomeBase S280, eufy HomeBase S380, eufy Minibase Chime (T8023), Alexa devices, and Google Voice Assistant devices.
Note: Not compatible with the original eufy Wi-Fi Chime (T8020) or eufy Chime (T8740/T8742). Store your data locally with no subscription fee.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 90 days
- This item is covered by Eufy Official Store Return Policy
Manufacturer Contact Info
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The eufy Security Video Doorbell E340 is a 2K battery-powered smart doorbell with front and downward-facing cameras, color night vision, and Alexa and Google Assistant compatibility, suited to homeowners who want to see visitors and the area near their doorstep.
Recommended For
- Households that receive frequent doorstep deliveries and want a downward-facing view to check whether a package was left or remains by the door.
- People who want doorbell footage stored locally without a required monthly cloud-storage subscription, with built-in storage for routine entryway events.
- Renters or households without usable doorbell wiring who need a battery-powered option for monitoring a chosen front-door location.
- Residents who want to identify visitors at night and check the doorstep in the same view, using the E340’s detailed main camera, lower package-view camera, and night-vision options.
- Smart-home users who want doorbell alerts or visitor communication through Alexa or Google Assistant, or who plan to connect the doorbell to a compatible eufy HomeBase.
Real-World Use Scenarios
- When a courier leaves a parcel close to the door, the downward-facing camera can show where it was placed, helping you check for a delivery even when the front camera might miss the doorstep.
- If you’re away when someone rings, you can check the visitor in the app and use two-way audio to respond or give delivery instructions without opening the door.
- For a home without existing doorbell wiring, battery power allows installation without connecting the doorbell to wires; plan to remove and recharge the battery as needed.
- At night, when someone approaches the entrance, the doorbell can show a color image of the visitor and doorstep, helping you check who is there before answering.
- If your home has compatible low-voltage doorbell wiring, you can connect it for power while keeping the battery installed, reducing the need to take the doorbell down just to recharge it.
- If you want to review door activity without adding a cloud-storage subscription, the doorbell can save recorded events locally; package and motion alerts may still need detection settings adjusted to suit your entrance.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | App-enabled smart doorbell use for monitoring home entryways |
| Device And Connectivity | Wireless smart doorbell |
| Smart Home Compatibility | Compatible with Amazon Alexa and Google Assistant |
| Power | Battery included |
| Dimensions And Weight | 5.9 × 2.03 × 1.11 inches; 1.06 pounds |
| Model Identifiers | eufy Security E340; model and part number E340 |















