1)Measuring temperature range:-50°C~70°C(-58°F~158°F)
2)Measuring humidity range:10%RH~95%RH
3)Accuracy: ±1°C(or±2°F), ±5% RH
4)Resolution: 0.1°C(0.1°F) &1%RH
5)Display comfort level as comfortable,wet or dry
6)Selectable temperature unit: °C or °F
7)record the max and min temperature and humidity automatically
8) Dimension: 135*71*20mm  LCD VA:39*14mm*2
9)Power supply :1.5V AA battery
10)Can monitor indoor and outdoor temperature
11)Package: box package
12)Quality gurantee : 1 year