This General Tools MM7 Moisture Meter is the perfect tool for measuring moisture in wood or drywall. With its pin-type design and digital display, you can quickly and easily get accurate readings without having to worry about external electrodes or batteries. The meter runs on a 9-volt alkaline battery and requires one battery to operate.

The MM7 has a minimum moisture reading of 0% and can detect moisture in drywall, softwood, and hardwood materials. It features a digital display and control type, making it easy to use and read. This moisture meter is a must-have for any home improvement project, especially those involving wood or drywall.