Features:
· Instant Reading, Max & Min Records for the history: Read instant, Max and Min temperature & humidity, shown on the same screen.
· Air Quality: Three degrees for air quality — DRY/COMFORT/WET, work for Indoor/Outdoor.
· Easy to Use:3 buttons on the back, °F/°C switching, CLEAR, LCD ON/OFF.
· Delicate Design: 2.8inch, both holder & hanging design. Powered by 2xAAA battery (excluded) low power consumption.
· 1 YEAR WARRANTY
Specification:
· Battery: 2xAAA Batteries Real-time temperature and humidity display, MAX/MIN displays on the same screen
· Temperature Measurement Range: -10℃~50℃ (14°F~122°F)
· Humidity Measurement Range:10%~99%
· Temperature Display Accuracy:0.1℃ (0.1°F )
· Temperature Measurement Accuracy:±1.0℃
· Humidity Measurement Accuracy:±5%
· Humidity Display Accuracy:1%
· Temperature and humidity sampling period:10 seconds
· Out of range display "HH.H”or“LL.L”,sensor Error,display“— — .—”
· LCD can be turned off
· Warranty: 1 year
How does something like this get the min and max temperature? I understand sensor will get the current temp but how does it get the min and max?