The Jamar Smart Electronic Hand Dynamometer provides enhanced medical screenings that are easy for medical professionals and their patients. This digital hand dynamometer can be used for all grip tests and has a ten-minute automatic shut-off for energy efficiency to preserve battery usage. It features clear audible signals for aid in testing, calculates the Average, Standard Deviation, and Coefficient of Variation, and clearly displays grip force ranging from 0-200 lbs (0-90 kg). Use it to measure a patient's grip strength and track their progress during therapy. The Jamar Smart Hand Dynamometer runs on AAA batteries and comes with a reusable storage case for protection and travel.