Shinwa Sokutei Thermo-hygrometer F-4 Round 15cm Blue 70503

Measurement range: Temperature: -20 to 40°C, Humidity: 30 to 80% Accuracy: Temperature -20 to 40°C: ±2°C, Humidity 30 to 80%: ±10% 1 scale: Temperature: 2°C. Humidity: 5% Indicates dangers lurking in your daily life such as colds, food poisoning, mold, and dust mites.