Product Specifications:
1. Temperature measurement range: -20℃ ~ 60℃(-4℉ ~ 140℉ )
2. Temperature measurement accuracy: ± 1℃ (1.8℉ )
3. Temperature resolution: 0.1℃(0.2℉)
4. Humidity range: 10%RH-99%RH
5. Humidity measurement accuracy: ± 5%RH
6. Humidity resolution: 1%
7. Power supply: 3V CR2032*1
Operation:
●Hold ( ∧ ) key for 1.5 seconds to power on/power off
●Double click ( ∧ ) key to select the temperature unit:℃ or ℉
●Click ( ∨ ) key to check the MAX/MIN value,sequential MAX - MIN - QUIT,(5 seconds no operation automatically exit)
●Hold ( ∨ ) key for 1.5 seconds to clear stored date