TacklifeDirect via Amazon offers the Tacklife MWM02 Wood Moisture Meter for $18.97. Coupon code "CVXTZQ5X" knocks it to $11.38. With free shipping via Prime, that's $8 off and the lowest price we could find. It features a backlit LCD, calibrator in a protective cap, and automatic shutoff after 30 seconds. One 9V battery is required and included. Deal ends January 17.