The HoldAll Moisture Light & pH Meter is a versatile plant accessory that helps prevent over or under-watering. This pH meter is designed with a thermal measuring technology and analog display, providing accurate readings of the soil's moisture level and pH. It features automatic calibration and auto temperature compensation for ease of use. The meter is constructed with aluminum and brass materials, with dimensions of 10 inches in height and 11 inches in length. The silver color and sleek design make it a stylish and functional addition to any gardening toolkit.