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%~57.0% 2.0% Material B:7.0%~52.0% 2.0% Material C:0.9%~23.0% 2.0% Material D:0.0%~12.0% 2.0% Material E:0.7%~9.0% 2.0% Material F:0.5%~10.0% 2.0% Material G:0.0%~17.0% 2.0% 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% ~99.9%RH 6, Humidity Accuracy: 20%~80% 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.