We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Blue digital thermometer with soft silicone tip and three-colour backlit display

Rongfeng 8s Digital Thermometer Blue

SKU CH-7QD7-HQHWK

A waterproof digital thermometer with a soft silicone tip delivers accurate readings in eight seconds and uses a three-colour backlight — green for 96.8 to 98.7, yellow for 98.8 to 99.3.

  • Product colorBlue
  • 8-second rapid reading gives quick temperature results
  • Three-colour backlight shows normal, low-fever and fever ranges
  • Soft silicone tip and BPA-free probe suit oral, rectal and underarm use
  • Waterproof probe allows easy rinsing and alcohol cleaning
  • Storage case included for portable, hygienic carrying

What it is and who it is for

The Rongfeng 8s Digital Thermometer in blue is a medical-grade device for oral, rectal or underarm use. It suits families needing a single tool that works safely across infants, children and adults thanks to its BPA-free probe and soft silicone tip.

Installation and common issues

No setup is required beyond inserting the supplied battery and waiting for the Lo indicator before measuring. The unit is waterproof for easy rinsing, though the display panel must stay dry; wiping with alcohol is the recommended cleaning method.

Practical limits of the interface

The three-colour backlight interprets temperature only within the fixed ranges of 96.8–98.7 for normal, 98.8–99.3 for low fever and 99.4–109.2 for fever. Readings outside these bands or use in environments not covered by the specified measurement sites are not supported.

How it compares

Measured against everything we stock in Digital Thermometers & Hygrometers, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 93% of the 925 comparable items (median $23.99).

Specifications

Product
Product colorBlue

Questions about this item

How do I confirm the thermometer is reading correctly once I switch it on?

Wait for the display to show Lo, then take the measurement; a green backlight means 96.8-98.7, yellow means 98.8-99.3, and red means 99.4-109.2.

What comes in the package and is anything else needed to start using it?

The box contains the digital thermometer, a storage case, and an instruction manual; no extra items are required.

Which colour option should I pick for a household with both children and adults?

This model is offered in blue only, and the soft silicone tip makes it suitable for oral, rectal, or underarm use across all ages.

More in Digital Thermometers & Hygrometers

Similar items