TACLIFE 3-In-1 Professional Moisture Meter for Firewood and Building, Auto Temperature Compensation (ATC) The 3in1 moisture meter you own from Taclife is not only a tool. You also own the love light from Ama-Deus, it helps you connect with all the positive energy around you. Nourishing both your soul and the material you gonna measure. Auto Temperature Compensation (ATC); Self data-HOLD function; Self-testing by metal contacts on cap; Compact design; LCD back light Ambient temperature display is always on; * C/0F selectable;