Eufy Video Doorbell E340 vs Yale Assure Lock 2

By Billy G. · Founder & Lead EditorVerified Jun 15 by Billy G.

eufy Video Doorbell E340
Yale Assure Lock 2
Yale Assure Lock 2
Verified Confidence: 81%

Verdict: These products serve fundamentally different purposes—one is a video doorbell and the other a smart lock—so direct comparison is limited and confidence is capped at 55. eufy Video Doorbell E340 excels at visual monitoring with local storage (per eufy specs), while Yale Assure Lock 2 focuses on secure entry with multi-protocol support (per Yale documentation). They address separate aspects of home security and are not interchangeable.

Winner: Yale Assure Lock 2

Eufy Video Doorbell E340: 7/10

Yale Assure Lock 2: 7.5/10

Spec-by-spec comparison

Eufy Video Doorbell E340Yale Assure Lock 2
Power SourceBattery + wiredBattery (AA)
ConnectivityWi-Fi, BluetoothWi-Fi, Bluetooth, Z-Wave
Weather ResistanceIP65Weatherproof
App Integrationeufy Security appYale Access app

Eufy Video Doorbell E340

What works

  • Dual cameras for package detection
  • Local storage without subscription
  • Color night vision

What doesn't

  • Requires existing doorbell wiring for full features
  • Limited smart home ecosystem integration

Yale Assure Lock 2

What works

  • Multiple entry methods including keypad
  • Works with Apple HomeKit and Alexa
  • Auto-lock feature

What doesn't

  • No built-in camera or video
  • Requires separate hub for some features

Bottom line

Our pick: Yale Assure Lock 2.

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