In combination with the reading displayed on the backlit LCD screen, it has a panel of three colored LEDs (green, yellow and red) to provide a quick visual indication of the percentage of moisture in the object being tested. A data hold feature locks the reading on the screen. It also has a low battery indicator and powers off after 15 seconds of inactivity.
The unit measures 3-3/8" x 1-3/4" x 5/8" and weighs about 1-1/2 oz. It has a wrist strap and a snap-on cover to protect the probes, and runs on four included 1.5V button-cell batteries. Detailed instructions included.