It can be placed directly on the wood when detect moisture .<br />Moisture testing range: 0-50%<br />Temperature test range: 0-50 ° C / 32-122 °F<br />Moisture accuracy: ± 1.5%<br />Temperature accuracy: ± 2 ° C / ± 3.6°F<br /><br />Model: GM630<br />Mate