Handheld Digital Temperature And Humidity Meter; Accurate Sensor Measures From 14 To 140 F (-10 To 60 C) And 0 To 100% Rh With A 10S Response Time - Min Range 14 F (-10 C) And 0% Rh; Max Range 140 F (60 C) And 100% Rh; Accuracy Of +/- 2 F (+/- 1 C) And +/- 5% Rh - Change Units And Min/Max Readings With A Button Press - Portable Hygrometer W/Large Lcd W/Backlight; Includes Batteries - Use In Server Rooms/Data Centers/Offices/Equipment Testing - Compact And Durable Abs Housing W/Non-Slip Design