1Temperature °C/°F display

2Clock, alarm

3Humidity and comfortable display

4Max/min temperature and humidity display

5Indoor temperature range: -10°C to 50°C, 14°C to 122°C

6Outdoor temperature range: -50°C to 70°C, -58°F to 158°F

7Temperature resolution: 0.1°C (0.2°F)

8Temperature accuracy: ±1.0°C

Humidity range: 20%RH - 99%RH

9Battery voltage: 1.5V