It can be used to measure the moisture level in sawn timber(also cardboard,paper) and hardened materials(plaster,concrete and mortar).It displays the moisture level in the material straightaway.In addition,The instrument can measure the ambient temperature and with illuminating function. ● The current environment temperature is shown on the display ● Analog bar display readings ● Automatic shutdown ● Low battery indicator ● Temperature over range indication:Analog bar flashes ● Compact and Light weight,one hand operation,easy portability