Highly stable and accurate readings with large LCD display. Designed for simple one-hand operation. Simultaneously displays the parameter being measured and temperature in ºC or ºF. Features automatic temperature compensation, 2 pt. calibration, auto power off, hold function, and a low battery indicator. The case is IP65 waterproof, and will float if accidentally dropped into the water. Comes with 4 button-cell batteries and a built-in probe with protective cap. Dimensions: 6 ½" x 1 ½" x 1 ½" (165 x 38 x 38 mm); weight: 2 ½ oz (68 g).