Is the NUTOMO Palm Vein Smart Lock (SP300) worth it?
The NUTOMO Palm Vein Smart Lock (SP300) ($89.99) is worth considering with a 8.2/10 consensus score across 5 expert reviews. Experts highlight 7,800 mah rated to roughly 240 days, the longest interval here and usb-c power-bank revive keeps you in even at 0 percent. Best for: Recharge-averse buyers wanting the longest battery interval.

Verified 30d ago
Affiliate link — we earn a commission at no extra cost to you
NUTOMO Palm Vein Smart Lock (SP300)
Palm-Vein Smart Lock
SmartHomeExplorer proprietary rating
5 expert sources
The NUTOMO Palm Vein Smart Lock (SP300) earns a SHE Score of 6.3/10, driven by strong value (10/10) with room to improve in future-proofing (5/10). Based on 5 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8.2/10 across 5 sources
Updated this weekKey Features
- ✓ Palm-vein recognition with Wi-Fi keypad deadbolt
- ✓ 7,800 mAh battery rated to roughly 240 days
- ✓ USB-C power-bank revive at 0 percent
- ✓ BHMA Grade 3 body with Alexa support
Best For
NUTOMO Palm Vein Smart Lock (SP300) vs. the alternatives
How the NUTOMO Palm Vein Smart Lock (SP300) stacks up against other Security options on price, expert consensus, and our proprietary SHE Score.
| Product | Price | Consensus | SHE Score | Works With | Verdict |
|---|---|---|---|---|---|
| NUTOMO Palm Vein Smart Lock (SP300)This page | $89.99 | 8.2/10 | 6.3/10 | Amazon Alexa | Good Value |
| eufy Security Smart Lock FamiLock S3 Max | $279.98 | 9.3/10 | 6.6/10 | major smart home platforms | Must Buy |
| Lockin Veno Palm Vein Smart Lock | $134.99 | 8.6/10 | 6.7/10 | Apple HomeKit, Samsung SmartThings, Matter | Recommended |
| Lockin Veno Go Palm Vein Smart Lock | $99.99 | 8.4/10 | 6.8/10 | Apple HomeKit, Samsung SmartThings, Matter | Good Value |
The NUTOMO Palm Vein Smart Lock (SP300) ($89.99) earns a 8.2/10 expert consensus and a 6.3/10 SHE Score across 5 sources, versus the Eufy Security S330 Video Doorbell at $98.99 (8.7/10 consensus). It works with Amazon Alexa.
What Experts Agree On
What Experts Love
- ✓ 7,800 mAh rated to roughly 240 days, the longest interval here
- ✓ USB-C power-bank revive keeps you in even at 0 percent
- ✓ IC card adds a fifth fallback path beyond palm, PIN, app, and key
- ✓ Built-in Wi-Fi with Alexa support and app remote control
Common Criticisms
- ✗ No second biometric, so fallback leans on PIN, IC card, app, and key
- ✗ BHMA Grade 3 body trails the eufy Grade 1 and Lockin Grade 2 picks
- ✗ Wi-Fi only with no Matter for HomeKit or SmartThings
What The Experts Say
Ready to buy the NUTOMO Palm Vein Smart Lock (SP300)?
Check Price on Amazon$89.99 · 5 expert sources · 8.2/10 consensus
Shop similar on Amazon
Comparable Security picks you can buy today — each link goes straight to its current Amazon listing.
Frequently Asked Questions
Is the NUTOMO Palm Vein Smart Lock (SP300) worth it?
The NUTOMO Palm Vein Smart Lock (SP300) earns a 8.2/10 consensus score across 5 expert sources and is rated "Good Value". At $89.99, it is best for Recharge-averse buyers wanting the longest battery interval. it ranks among the top picks in its category.
How much does the NUTOMO Palm Vein Smart Lock (SP300) cost?
The NUTOMO Palm Vein Smart Lock (SP300) is priced at $89.99. With a 8.2/10 score from 5 expert reviews and a "Good Value" rating, that price represents fair value relative to the ~7.5/10 average for Security products. Prices shift often, so check the live figure before buying.
Who is the NUTOMO Palm Vein Smart Lock (SP300) best for?
The NUTOMO Palm Vein Smart Lock (SP300) is best for Recharge-averse buyers wanting the longest battery interval. Experts rate it "Good Value" with a 8.2/10 consensus across 5 sources.
How does the NUTOMO Palm Vein Smart Lock (SP300) compare to other Security options?
Among the Security products we have aggregated, the NUTOMO Palm Vein Smart Lock (SP300) ranks above average with a 8.2/10 score. See our full category comparison for head-to-head details.
What smart home systems does the NUTOMO Palm Vein Smart Lock (SP300) work with?
The NUTOMO Palm Vein Smart Lock (SP300) works with Amazon Alexa. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
What are the best alternatives to the NUTOMO Palm Vein Smart Lock (SP300)?
If the NUTOMO Palm Vein Smart Lock (SP300) ($89.99, 8.2/10) is not the right fit, the closest alternatives in Security are Eufy Security S330 Video Doorbell, Ring Video Doorbell 4. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the NUTOMO Palm Vein Smart Lock (SP300)?
The main strengths of the NUTOMO Palm Vein Smart Lock (SP300) are 7,800 mah rated to roughly 240 days, the longest interval here and usb-c power-bank revive keeps you in even at 0 percent. The most-cited downside is no second biometric, so fallback leans on pin, ic card, app, and key. Overall, 5 expert sources rate it "Good Value" with a 8.2/10 consensus score.
Sources & Methodology
This review aggregates 5 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 5 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.






