Yamiry Smart Knob
Score: 72/100
eufy Smart Lock C30
Score: 72/100Rankings
The Yamiry Smart Door Handle Lock is a versatile keyless entry solution offering five unlock methods and easy DIY installation. Its main limitation is the lack of native WiFi, requiring a separate gateway for remote access. It is best suited for families and small offices needing flexible access management.
The eufy Security Smart Lock C30 is a Wi-Fi-enabled keyless entry deadbolt designed for straightforward DIY installation on standard US and Canadian doors without requiring a separate hub. It features physical buttons for durability, auto-lock capabilities, and seamless integration with the eufy Security ecosystem for remote access and notifications. It is ideal for families needing app/voice control, auto-lock features, and integration with eufy doorbells or cameras in varied climates.
| Attribute | | |
|---|---|---|
7.5 monthsbest | 5 months | |
45 mmbest | 38 mm | |
60 mmbest | 60 mmbest | |
| ↓ lower better | 1 secondsbest | — |
— | -30 °Cbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity & Smart Home(2) | ||
Smart Home Compatibility | Alexa | eufy Ecosystem, Alexa, Google Assistant |
Voice Assistant Support | Alexa | Alexa, Google Assistant |
Access & Security(5) | ||
Encryption Standard | Not specified | Wi-Fi |
Unlock Methods | Fingerprint, Keypad, IC Card, App, Mechanical Key, Voice | Key, Voice, App, Buttons |
Auto-Lock | false | true |
Fingerprint Recognition Speed (seconds) | 1.0 seconds | null seconds |
Alarms | false | true |
Durability & Environment(2) | ||
IP Rating | Not specified | IPX3 |
Operating Temperature (°C) | Not specified °C | -30 to 70 °C |
Power & Battery(2) | ||
Battery Life (months) | 6-9 months | 5 months |
Power Source | AA Batteries | 4x AA |
Physical & Installation(3) | ||
Door Thickness Compatibility (mm) | 40-50 mm | 38-50 mm |
Backset (mm) | 60 mm | 60 or 70 mm |
Lock Type | Smart Knob | Deadbolt |
Support & Service(1) | ||
Warranty | 1 | 1.5 |
Products in the top-left offer the best value (high score, low price).
The manufacturer emphasizes ease of installation and diverse access methods, while addressing common setup issues like latch alignment and app pairing.
Users praise the convenience of multiple keyless entry methods and the reliability of the fingerprint scanner, but complain about installation difficulties and Bluetooth pairing issues.
Professional coverage is limited, with a 2026 YouTube review highlighting the lock's straightforward installation, reliable battery life, and robust security features. Best Buy lists the product with a high rating, but there are no in-depth editorials from major tech sites like CNET or Wirecutter available in the current data.
There is no direct consumer review data or forum discussion available in the search results. While product pages emphasize reliability, specific user testimonials, common praise, or recurring complaints cannot be detailed due to a lack of aggregated user feedback.
“Fingerprint feature works perfectly... great for older kids”
“easy to install... app has battery percentage indicator”
