TFA 30.5038.01 - Digital thermo-hygrometer Indoor temperature and humidity with comfort level With maximum and minimum values Time Alarm with snooze function Hourly chime Display of date Battery: 1 x 1.5 V AA (not included) Measuring range temperature: 0°C...+50°C (+32°F...+122°F) °C/°F-reversible Measuring range humidity: 20...90 % rH