The Geratherm Basal Mercury-Free Thermometer, is 100% Waterproof, has a 35.6 °C to 38.4 °C Measuring Range, with magnified optic case included for easy readability.

Non-Toxic, environmentally friendly measurement of basal temperature by using Galinstan.

Lifetime guarantee of accuracy /- 0.1°C.
100% hygienic, easy-to-clean glass case.
100% antiallergic.
No need for batteries.
Inclusive table of analysis.

1 Count