1. Measure and display the indoor/outdoor temperature and
indoor humidity
2. Automatically memorize the Max./Min. values of the indoor/
outdoor temperature and indoor humidity
3. Switch between °C / ℉
4. Recovery functions on the Max./Min. Values
5. Stand for shelf or hanging hole at back side
Main parameters:
Measuring temperature range  -50°C~+70°C(-58°F~158°F)
Measuring humidity range  10%RH~95%RH
Accuracy  ±1°C (or±2°F), ±5% RH
Resolution  0.1°C (0.1°F) &1%RH
Selectable temperature unit  °C or °F