The Extech 445702 Hygro-Thermometer combines 3 displays for time, temperature and humidity. The time can be displayed as a 12 or 24-hour clock. The thermometer has a maximum/minimum with reset function. Humidity measurements: 10 to 85 % rel. humidity, ± 6 % rel. humidity and temperature measurements: -10 °C to +60 °C ± 1 °C (14 °F to 140 °F ± 1.8 °F). The delivery includes an integrated tilt stand, a wall mounting bracket and AAA battery.