0
* Temperature:
Temperature Testing Range: -50°C~+70°C(-58°F-158°F), tolerance: ±0.2°C
Temperature Display Resolution: 0.1°C (0.1°F) 
Storage Temperature: -10°C~60°C
* Humidity:
Humidity Testing Range: 10%RH~99%RH, tolerance: ±2%RH
Humidity Display Resolution: 0.1%RH
Storage Humidity: 20%~80%
* Temperature and Humidity Update 
* Frequency: 1S
* MAX/MIN Value Record Function
* Data Locking Function
* °C/°F Switchable
* Display Type: LCD
* Low Voltage Indicator
* Backlight Time: Default: 1 minutes, interval optional from 1-5-10-15 minutes
* Power Source: AA*2 (excl.) 
* Product Net Weight: 102.8g