510(k) Report

510(k) · Cleared

Cleared

Infrared Forehead Thermometer

K202420510(k) TraditionalCleared Feb 25, 2021185-day reviewClass II21 CFR 880.2910

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Conmo Electronic Company Limited · FLL Continuous Measurement Thermometer

Cleared on Feb 25, 2021 as substantially equivalent to K191829 (Microlife Intellectual Property GmbH, 2020) after a 185-day review. Its family tree reaches back 5 generations to 2000. 1 later device descends from it.

Decided
Feb 25, 2021
Review
185 days
Class
Class II
Product code
FLL
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K000969 (2000). 9 ancestors in all. 1 later device descends from it, 1 citing it directly.

  1. Root · 5 generations backK000969 Microlife Digital Infrared Ear Thermometer, Model IR1DA1Microlife Corp. · 2000
  2. 4 generations backK020725 Microlife Digital Infrared Ear Thermometer, Model IR1DE1Microlife Corp. · 2002
  3. 3 generations backK033820 Microlife Digital Infrared Forehead Thermometer, Model FR1DM1Microlife Intellectual Property GmbH · 2004
  4. 2 generations backK100953 Microlife Non-Contact Infrared Forehead Thermometer, Model FR1DZ1Microlife Intellectual Property GmbH · 2010
  5. 1 generation backK191829 Microlife Non-Contact Infrared Forehead ThermometerMicrolife Intellectual Property GmbH · 2020
  6. This deviceK202420 Infrared Forehead ThermometerConmo Electronic Company Limited · 2021
  7. Descendant · cites it directly · 0 of its ownK210171 Non-contact Infrared Thermometer (Models WL-301, WL-501, WL-601…Sichuan Youkede Medical Equipment Co.,Ltd · 2022

Most influential descendants

Showing 1 of 1 · See all
  • K210171Non-contact Infrared Thermometer (Models WL-301, WL-501, WL-601, WL-701)Sichuan Youkede Medical Equipment Co.,Ltd · 2022 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K000969Microlife Digital Infrared Ear Thermometer, Model IR1DA1Microlife Corp.2000—
−4K020725Microlife Digital Infrared Ear Thermometer, Model IR1DE1Microlife Corp.2002—
−3K033820Microlife Digital Infrared Forehead Thermometer, Model FR1DM1Microlife Intellectual Property GmbH2004—
−2K100953Microlife Non-Contact Infrared Forehead Thermometer, Model FR1DZ1Microlife Intellectual Property GmbH2010—
−1K191829Microlife Non-Contact Infrared Forehead ThermometerMicrolife Intellectual Property GmbH2020—
0 (this device)K202420Infrared Forehead ThermometerConmo Electronic Company Limited2021—
+1K210171Non-contact Infrared Thermometer (Models WL-301, WL-501, WL-601, WL-701)Sichuan Youkede Medical Equipment Co.,Ltd2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010
200110
200410
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
FIG. 1 — Lineage of K202420, 2000–2022Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in FLL? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new FLL device

  1. #1 K191829 Microlife Non-Contact Infrared Forehead…score 26.7 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K191829Microlife Non-Contact Infrared Forehead Thermometer
Summary page 5
…Page 5 === 3. Predicate Device: Manufacturer Predicate Device 510(k) Number Microlife Microlife Non-Contact Infrared K191829 Intellectual Forehead Thermometer, Property GmbH Model FR1DG1 (NC200) 4. Device Description: The infr…
Microlife Intellectual Property GmbH2020—

Also cleared against K191829: 8 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K210171Non-contact Infrared Thermometer (Models WL-301, WL-501, WL-601, WL-701)Sichuan Youkede Medical Equipment Co.,Ltd20220

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 21 years and passes through 3 companies; a new generation was cleared every 2.0 years on median.
  • None of the 9 ancestors has a recall.
  • Of its descendants, K210171 (Sichuan Youkede Medical Equipment Co.,Ltd, 2022) has gone furthest, with 0 descendants of its own.
  • 8 other devices also cite its predicate K191829.

How does its category compare?

All FLL devices

FLL Continuous Measurement Thermometer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · FLL

6in 2025

2007: 152008: 142009: 132010: 242011: 202012: 172013: 142014: 72015: 32016: 222017: 162018: 352019: 222020: 212021: 432022: 242023: 172024: 132025: 62026 (partial year): 2
2007high 43 (2021) · low 3 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FLL

131in 2025

2007: 81 days median2008: 59 days median2009: 84 days median2010: 88 days median2011: 113 days median2012: 126 days median2013: 149 days median2014: 199 days median2015: 270 days median2016: 157 days median2017: 174 days median2018: 209 days median2019: 198 days median2020: 194 days median2021: 218 days median2022: 218 days median2023: 295 days median2024: 223 days median2025: 131 days median
2007high 295 (2023) · low 59 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · FLL

1in 2025

2011: 12015: 12017: 22018: 12019: 52025: 12026 (partial year): 1
2007high 5 (2019) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · FLL

73in 2025

2007: 42008: 132009: 92010: 92011: 182012: 262013: 162014: 542015: 532016: 582017: 1182018: 512019: 522020: 532021: 1152022: 1422023: 1012024: 1182025: 73
2007high 142 (2022) · low 4 (2007)2025

MAUDE reports naming product code FLL, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007158104
20081459013
2009138409
2010248809
201120113118
201217126026
201314149016
20147199054
20153270153
201622157058
2017161742118
201835209151
201922198552
202021194053
2021432180115
2022242180142
2023172950101
2024132230118
20256131173
20262—1—

What is it indicated for?

The infrared forehead Thermometer DPT-IFT100 is a non-contact thermometer intended for the intermittent measurement

of human body temperature from forehead for people of one month old and above. The device is reusable for home use

and clinical use.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K202420: Infrared Forehead Thermometer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K202420

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026