Product Features: 1, Built in characteristic parameters of 7 different kinds of wood and building materials, 2, moisture level 3, Multi-point average measurement, 4, Data hold 5, Maximum measurement, 6, Automatic shutdown 7, Ambient temperature measurement(Note: different regions, it takes a week to measure the ambient temperature and humidity more accurately), 8, Environmental humidity measurement 9, Low battery indicator, 10, Temperature unit / Technical Details 1, Sensor:Resistance type (conductivity measurement), high precision temperature and humidity sensor 2, Measurement range/accuracy: Material A:9.0 percent -57.0 percent 2.0 percent Material B:7.0 percent -52.0 percent 2.0 percent Material C:0.9 percent -23.0 percent 2.0 percent Material D:0.0 percent -12.0 percent 2.0 percent Material E:0.7 percent -9.0 percent 2.0 percent Material F:0.5 percent -10.0 percent 2.0 percent Material G:0.0 percent -17.0 percent 2.0 percent 3,Temperature range:-20.0-60.0(-4.0-140.0) 4,Temperature Accuracy:0.0-45.0(32-113) 1.0/2.0 Other 1.5/3.0 5, Humidity range:0.0 percent -99.9 percent RH 6, Humidity Accuracy: 20 percent -80 percent 5.0RH Other 6.0RH 7,Power: 2x1.5V AAA battery(NOT include) 8, Color: As Shown 9, Material: ABS Package Contents: 1 x Wood Moisture Meter(2x1.5V AAA battery(NOT include)) 1 x Manual ( English ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.