Jamar Hand Dynamometer (Jamar Dynamometer) by

High quality, high function digital instrument measures isometric grip force and strength increases in rehabilitation and physical therapy programs, delivers superior accuracy Download the free Jamar Smart app from the Apple App Store or the Google Play Store to control this dynamometer from a tablet (compatible with tablets only) Designed to expedite and enhance patient hand therapy evaluations to analyze the efficacy of a hand therapy program that utilizes hand strengtheners and hand exercisers Free app includes standard hand grip test features, including ability to set reps, record grip position, run trials, displays results, and calculate and analyze grip data No internal moving parts, digital readout displays isometric grip force from 0-200 lbs (90 kgs), requires two AAA batteries (included), includes storage container and two year warranty