Digital Basal Thermometer, 1/100th Degree High-Precision Oral Thermometer with Memory Recall, Accurate Digital Thermometer for Fever and Natural Family Planning by Femometer

Femometer Digital Basal Thermometer with LCD Screen. This thermometer helps you test your basal body temperature in the early morning. Combine with Femometer app to record, track, and chart your BBT. And it intelligently analyzes your BBT and calculates pregnancy rate of every day, thus helps with pregnancy, early-stage pregnancy monitor and manage your menstrual cycle better.

Power Source Battery PoweredNumber of Batteries 1 LR41 batteries required. (included)Maximum Storage Temperature 131 Degrees FahrenheitUpper Temperature Rating 109 Degrees FahrenheitLower Temperature Rating 90 Degrees Fahrenheit