Measures moisture content over the range 8 to 30 percent. Built-in low battery indicator. Decay condition direct. Resolution: 0.1percent moisture content. Accuracy: plus/minus 2 percent. Operating Temperature: 32 to 122 F 0 to 50 C . Operating Humidity: Less than 90 percent R.H. LCD with display. Display will show the moisture content in percent moisture Content directly. Protective Cover. Display: 3 digit, 10mm LCD. Range: 8-30 percent. Resolution: 0.1 percent. Accuracy: plus/minus 2 percent. Sampling Rate: 1s. Power Supply one 9V battery. Operating environment: 32 to 122 F 0 to 50 C , RH less than 90 percent. Size: 5.7 x 2.4 x 1.2 in. 145 x 60 x 30mm . Weight: 4.4oz 125g . Includes protective cover.