How to switch between °C and °F?

With the thermometer off, press and hold the SET button for 5 seconds until the buzzer beeps, then press the SET button briefly to change units.

How to switch measuring mode?

With the thermometer off, press the SET button, the buzzer will beep. Short press the SET button(by holding for under 2 secs) to choose measuring mode-Oral, Armpit or Rectal measuring location.

Why are the temperature readings inconsistent?

Oral measurement: Follow the warm cue card's usage guide, measure for 9s. Armpit measurement: Clamp in the armpit for 3 minutes before use, then measure for 1 minute, ignoring the beep.

How do view memory temperature data?

Press the on/off button and the screen will display 188.88, then press the Set button to enter the view memory mode. Press the Set button again to view the next set of temperature data.

Sometimes there's a constant beep that can't be turned off?

It is considered that when the insulation piece is pulled out, the battery is out of place, and the battery contact short circuit occurs. You can reinstall the battery.

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Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White) | Oral Thermometer for Adults and Kids - Accurate Rectal Thermometer, with Fever Alarm and Large Display

Product ID: 645217532

Details

Age Range (Description)
Adults & Kids
Brand
Boncare
Color
White
Display Type
Digital
Included Components
Outer Material
Plastic" or

📊Multi-area flexible detection (oral/armpit/rectal)

📱Large, clear LCD display for easy reading

⏱️9-second ultra-fast reading

$36.15

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Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⏳ Track Fast, Track Smart — Your Health’s New MVP!

HYGIENIC DURABLE - Waterproof tip and automatic shutoff combine safety and convenience for busy households.
OVULATION OPTIMIZED - Track your basal body temperature with precision to empower your family planning journey—wake up, measure, and conquer.
USER CENTRIC DESIGN - Large backlit display and fever alarm ensure you never miss a critical reading, day or night.
PRECISION IN A FLASH - Get clinically accurate temperature readings in just 9 seconds—because every second counts.
TAILORED TEMPERATURE TRACKING - Switch effortlessly between oral, armpit, and rectal modes for pinpoint accuracy tailored to your needs.

The Boncare 9 Seconds Basal Body Thermometer delivers rapid, highly accurate temperature readings in just 9 seconds with a flexible detection area for oral, armpit, or rectal use. Featuring a large, easy-to-read LCD display and a fever alarm, it’s designed for the whole family—from infants to adults. Ideal for ovulation tracking, it supports basal body temperature monitoring to aid fertility planning. Additional features include a waterproof tip, memory recall, and automatic shutdown, making it a reliable, hygienic, and user-friendly health essential.

Specifications

ASIN	B0D5Q7TNCG
Additional Features	Alarm, Backlit, Fast Reading System, High Accuracy, Large Display
Age Range Description	Adults & Kids & Baby
Best Sellers Rank	#5,314 in Health & Household ( See Top 100 in Health & Household ) #1 in Basal Thermometers
Brand Name	Boncare
Color	White
Customer Reviews	4.3 4.3 out of 5 stars (2,877)
Display Type	Digital
Included Components	thermometer/manual/case
Indoor Outdoor Usage	Indoor
Inner Material	Plastic or Silicone
Item Length	5.12 Inches
LowerTemperature Range	89.6 Degrees Fahrenheit
Manufacturer	GUANGDONG GENIAL TECHNOLOGY CO., LTD.
Model	T28
Model Name	T28
Number of Batteries	1 Lithium Metal batteries required. (included)
Outer Material	Plastic" or "Silicone
Part Number	T28-4
Power Source	Battery Powered
Product Care Instructions	Clean with wet wipe and alcohol after each use
Resolution	0.1°C or 0.1°F
Response Time	9 seconds
Reusability	Reusable
Smart Home Compatibility	Not Smart Home Compatible
Specification Met	FDA
Style Name	Digital Thermometer
UPC	767461336870
Unit Count	1.0 Count
Upper Temperature Range	107.6 Degrees Fahrenheit

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$36.15

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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