Women's TERUMO Digital Thermometer WOMAN℃ C531

I found it too much of a hassle and stopped using it after 3 days. It has been washed and disinfected.

Terumo Electronic Thermometer
WOMAN℃ C531
(ET-C531PG Lime Green)

Measurement Method: Dual mode for both predictive measurement (approx. 20 seconds) and actual measurement (approx. 10 minutes).

Features: Large backlit LCD for easy viewing even in dark places.
The main unit and case are washable for hygienic use.

Functions: Includes a memory function to record the previous reading and an automatic power-off function.

Reference Price: Manufacturer's suggested retail price is 2,750 yen (tax included).