The pH and moisture tester is an easy and economical way to determine the pH level in your soil and also the moisture content. So you'll get the acidity of the soil which enables you to alter the soil conditions for optimum growing conditions. Abnd it will indicate for you when to water your plants. Instructions are included with each Mini pH/Moisture tester for flowers, shrubs and vegetable plants, also watering needs for over 100 plants. No battery required.
About 10" long, probes being 6" of that.