Smedley Type Hand Dynamometer Arm Leg Exercisers Feature 2: Heart Rate Monitor 71069 Feature 2: Heart Rate Monitor Yields accurate grip strength readings without the subject being able to feel the handle move * Features an adjustable handle with five positions to accommodate to any hand size * The indicator remains at the subject's maximum reading unit until it is reset * Registers up to 200 pounds and reads in pounds and kilograms * Includes a carrying case * Accurate repeatable and durable * Custom twisted spring can easily withstand accidental dropping without affecting accuracy * 4 centimeters of infinite handle adjustment for the most comfortable fit * Testing range on dual scale is 0 to 220 pounds * Unit comes complete with carrying case and norms (age 5 to adult) *