eufy FamiLock S3 Max vs SwitchBot Lock Pro
Side-by-side comparison based on published product information. Check Amazon for current price and availability.
How we evaluate products
We compare published manufacturer specifications, manuals, support policies, and relevant public guidance. We do not present unpublished laboratory or in-home measurements as our own testing.
Features and services can change, so confirm current details with the manufacturer before buying. Affiliate commissions do not determine our editorial criteria.
Use the feature table below to match published specifications to your storage, power, and monitoring requirements. We do not assign an overall score without retained independent test evidence.
eufy FamiLock S3 Max
eufy
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SwitchBot Lock Pro
SwitchBot
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Feature comparison
| Feature | eufy FamiLock S3 Max | SwitchBot Lock Pro |
|---|---|---|
| Unlock methods | Palm vein, app, voice control, keypad password, physical key | — |
| Camera | 2K HDR, 150° x 150° view (180° diagonal), night vision | — |
| Display | 4-inch interior screen, 1080p | — |
| Connectivity | Built-in Wi-Fi (direct), Matter, Apple Home, Alexa, Google Home, SmartThings | Bluetooth on its own; Wi-Fi, remote access, voice, and Matter via a separately sold SwitchBot Hub |
| Security certification | ANSI/BHMA Grade 1, IP65 (-22°F to 158°F) | — |
| Power | 15,000 mAh rechargeable pack + 4 AAA backup, up to 5 months, 5V/2A charging | 4 AA batteries, about 6 to 9 months, optional rechargeable power pack |
| Install | — | Retrofit over an existing single-cylinder deadbolt, no drilling, keeps the exterior cylinder and keys |
| Entry methods | — | App and auto-lock on the base lock; fingerprint, PIN, and NFC via the separately sold Keypad Touch |
| Operation | — | Motorized thumb-turn with tailpiece adapters and an in-app activity log |