Geratherm basal thermometer, mercury free

The basal thermometer is a accuracy thermometer, which shows the exact body temperature. The measurement of the female body temperature indicate the period of fertility and the time of ovulation.

• for the natural family planning

• no need for batteries

• 100% hygienic, easy-to-clean glass case

• easy to read thanks to magnifying case

• individually packed with user manual inclusive table of analysis

• lifetime guarantee of accuracy +/- 0.1°C

• with Galinstan