Video Doorbell Comparison · UK 2026
eufy Video Doorbell C31 vs eufy Video Doorbell E340

Specs, pros and cons compared side by side

Both the eufy Video Doorbell C31 and the eufy Video Doorbell E340 are 2K video doorbells. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. eufy specs come from eufy’s own product pages. If you hardwire a doorbell, turn off the power at the fuse box or breaker before touching any wiring, and use a qualified electrician if you are not sure.

Quick verdict

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eufy Video Doorbell C31

Pick it for: Takes a microSD card up to 128GB (the E340: 8GB built in, or a HomeBase S380)

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eufy Video Doorbell E340

Pick it for: Downward package camera for the doorstep (the C31: single camera, no package view) · Wires to 8-24V, over 10VA (the C31 needs 16-24V, 30VA) · 8GB of built-in storage, no card needed (the C31: microSD or a HomeBase S380)

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Quick comparison

Spec eufy Video Doorbell C31 eufy Video Doorbell E340
Resolution 2K, 4:3 or 16:9 extended 2K front + downward package camera
Power Removable 6,500mAh battery, or wired 16-24V 30VA (24/7 when wired) Detachable battery (up to 6 months) or wired 8-24V
Wi-Fi Not stated by eufy 2.4GHz only
Storage microSD up to 128GB, HomeBase S380 8GB built in, HomeBase S380 (also HomeBase 2)
eufy Video Doorbell C31

Pros

  • 24/7 recording when wired
  • Removable battery
  • Works with existing mechanical chimes
  • microSD storage

Cons

  • Single camera (no package view)
  • No chime in the base box
  • Not the old eufy Wi-Fi Chime
  • No HomeKit
eufy Video Doorbell E340

Pros

  • Package camera covers the doorstep
  • Battery or wired
  • Built-in storage, no subscription needed
  • Works with existing mechanical chimes

Cons

  • No chime in the box
  • Not digital chimes
  • 2.4GHz Wi-Fi only
  • No HomeKit

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Which should you buy?

Why choose the eufy Video Doorbell C31

  • Takes a microSD card up to 128GB (the E340: 8GB built in, or a HomeBase S380)
Why choose the eufy Video Doorbell E340

  • Downward package camera for the doorstep (the C31: single camera, no package view)
  • Wires to 8-24V, over 10VA (the C31 needs 16-24V, 30VA)
  • 8GB of built-in storage, no card needed (the C31: microSD or a HomeBase S380)

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