The Gazelle G9401 humidity meter features a large triple display of indoor measurements of relative humidity, temperature, and external secondary temperature with maximum and minimum readings The remote temperature probe extends for 1 meter to measure behind walls, inside refrigerators or to soak into water Display of temperature, humidity, time, and comfort level together Dual temperature measurement, Ideal for use in humid areas where mold can become a problem The meter has a built-in stand for sitting on a desk but can also be mounted to a wall with an additional clock and alarm clock function