Detecto's Sonaris stadiometer provides touchless height measurement via its state-of-the-art sonar technology that triangulates the top of the patient's head instantly. It can be used stand-alone on a desktop/tabletop for mobility, or wall mounted for permanent use. Sonaris offers an extraordinary measurement range from 0 - 9 ft high. Whether the patient is a tiny child or a giant adult, Sonaris will measure their height, covering a greater height range than any conventional height measuring instruments. Sonaris is simple to use, with only two buttons, POWER and UNITS. Ideal for school health, Sonaris displays four units of measurement: ft/in, in, cm, and mm with pinpoint accuracy to 0.2 in and 5 mm.