Zacurate 500 Series Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicon Cover, Batteries and Lanyard, Royal…
Zacurate · 2 more picks →
Best for
Best overall
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$18.99
Updated Jun 27, 2026 · 1 min read
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the verified-purchase reviewers we read, the Zacurate 500 Series (Royal Black) is the most reviewed product in this category by far, holding a 4.7 average over roughly 237,000 ratings. That volume of largely positive feedback is the strongest consensus signal in the pool, and reviewers most frequently praise its quick readings, simple one-button operation and clear display for routine at-home spot checks. It is important to be transparent: no independent testing labs, specialist communities, or expert publishers appeared in the data for this product, so we cannot speak to clinically verified accuracy.
What reviewers liked
- Largest verified-purchase review base in the category (~237,000) at a 4.7 average
- Simple one-button operation and fast readings cited repeatedly
- Inexpensive and widely available with batteries and lanyard included
Where it falls short
- No independent lab or expert-publisher accuracy testing present in the data we reviewed
- Verified-purchase reviewers note readings can be affected by cold fingers and movement
- Basic standalone clip with no app logging, alarms, or trend tracking
Embed our score
Sell this product? Show off the rank.
Free badge for the brand, retailer, or anyone covering this product. Copy the snippet and paste it anywhere HTML works. Updates automatically when the ranking changes.
Includes a credit link back to this page. No tracking; no JavaScript.
Across the verified-purchase reviewers we read, the Zacurate 500 Series (Royal Black) is the most reviewed product in this category by far, holding a 4.7 average over roughly 237,000 ratings. That volume of largely positive feedback is the strongest consensus signal in the pool, and reviewers most frequently praise its quick readings, simple one-button operation and clear display for routine at-home spot checks.
It is important to be transparent: no independent testing labs, specialist communities, or expert publishers appeared in the data for this product, so we cannot speak to clinically verified accuracy. The verdict here rests on the breadth and consistency of customer ratings rather than methodology-driven measurement. As with all consumer oximeters, reviewers note that cold hands, motion and poor circulation can affect readings.
For a household wanting a well-supported, inexpensive standalone clip with the largest base of corroborating customer feedback, this is the safest default pick in the pool.
- ACCURATE AND RELIABLE - Accurately determines your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength in 10 seconds and displays it conveniently on a large digital LED display.
- FULL SPO2 VALUE - The ONLY LED pulse oximeter that can read and display SpO2 up to 100%.
- SPORTS/HEALTH ENTHUSIASTS - For sports enthusiasts like mountain climbers, skiers, bikers, and anyone needing to monitor their SpO2 and pulse rate. The pulse oximeter LED display faces the user for an easy read.
- ACCOMODATES WIDE RANGE OF FINGER SIZES - Finger chamber with SMART Spring System. Works for ages 12 and above.
- LOADED WITH ACCESSORIES - Includes 2 x AAA BATTERIES, allowing the pulse oximeter to be used right out of the box; a SILICONE COVER to protect from dirt and physical damage; and a LANYARD for convenience. Comes with a 12-month WARRANTY and USA based technical phone support.
If the consensus convinced you
Check current price on Amazon
Pricing and availability change frequently. Tap through to confirm before buying.