1. Power supply mode: no.7 battery x2
2. Humidity range: 10-99%
3. Temperature range: -9--50 degrees Celsius
4. Simple operation
5. Function description: temperature display, humidity display, historical maximum and minimum temperature humidity record within 24 hours, alarm clock function, time function, date display, button backlight
6. Size: 11x10x2mm
2. Humidity range: 10-99%
3. Temperature range: -9--50 degrees Celsius
4. Simple operation
5. Function description: temperature display, humidity display, historical maximum and minimum temperature humidity record within 24 hours, alarm clock function, time function, date display, button backlight
6. Size: 11x10x2mm