I was sent another due to the first one not beeping. The second one also does not beep. What am I missing?

I agree that the greatest fault I also have with this item is the very, very hard to hear beep. I suggest you let someone else confirm that it is or is not beeping in a quiet room.. If there are others in the room talking or a radio or TV playing, you are not going to hear it even with normal hearing. You can confirm my opinion by reading this most common compliant for this item. Another alternative to listening for the beep is to wait for 15-20 seconds then read it. It normally is very quick getting a reading. Hope this helps.

I keep getting readings that are about two degrees off. Is this normal?

My readings seem to be accurate. When I'm well, the reading is around the normal of 98.6. I have found that when using a temporal thermometer on my forehead, the readings are 1 to 2 degrees less than I get with an oral thermometer, and that is typical, so if you are comparing the readings from this oral thermometer with readings from a temporal thermometer, you can expect a similar discrepancy.

Any idea of the false positives and false negatives this instrument amassed in any studies the manufacturer may have partaken in?

I don't know but it didn't seem accurate at all and I returned it.

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iProven Oral Thermometer, Measures in 10 seconds with flexible tip and fever alarm, Digital Medical Thermometer for adults, kids and toddlers - DTR-1221A

Product ID: 63875740

Details

Age Range (Description)
Adult
Brand
iProvèn
Color
Grey
Display Type
Digital
Included Components
Battery Hard
Outer Material
Plastic

🚨fever alarm with smiley indicators

🦾flexible soft tip for comfort

⏱️10-second rapid reading

€ 11.12

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⏳ Fast, flexible, and family-friendly—thermometer tech that keeps you ahead of the fever game!

SMART FEVER ALERTS - Intuitive fever alarm with smiley face indicators takes the guesswork out of health monitoring.
RISK FREE CONFIDENCE - Backed by a 100-day no-return replacement or refund policy—because your peace of mind matters.
SPEED THAT SAVES TIME - Get accurate temperature readings in just 10 seconds—because every second counts.
FAMILY READY HYGIENIC - Waterproof tip and easy-to-clean design make it perfect for babies, kids, and adults alike.
COMFORT MEETS INNOVATION - Soft, flexible tip designed for all ages ensures a pain-free, gentle check every time.

The iProven Oral Thermometer DTR-1221A delivers clinically reliable temperature readings in just 10 seconds with a soft, flexible tip for maximum comfort. Featuring a smart fever alarm with smiley face indicators, it’s designed for the whole family—from toddlers to adults. Waterproof and easy to clean, this digital thermometer combines speed, accuracy, and hygiene, all backed by a 100-day risk-free replacement or refund policy.

Specifications

ASIN	B07BDMGMLY
Additional Features	High Accuracy
Age Range Description	Adult
Best Sellers Rank	#98,195 in Health & Household ( See Top 100 in Health & Household ) #8 in Rectal Thermometers
Brand Name	iProvèn
Color	Grey
Customer Reviews	4.2 4.2 out of 5 stars (13,968)
Display Type	Digital
Global Trade Identification Number	08719481723378, 08719699633148
Included Components	Battery, Hard Cover Case, User Instructions
Indoor Outdoor Usage	Indoor
Item Length	5.7 inches
LowerTemperature Range	32 °C
Manufacturer	iProvèn
Model	BD9635
Model Name	DTR-1221A
Number of Batteries	1 LR41 batteries required. (included)
Outer Material	Plastic
Part Number	DT-R1221A-US-3
Product Care Instructions	Hand Wash Only
Response Time	10 seconds
Reusability	Reusable
Specification Met	Beep
Style Name	Contemporary
Unit Count	1 Count
Upper Temperature Range	42 °C

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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€ 11.12

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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