Prosphyg* Pocket Aneroid Sphyg, Contemporary black enamel 300mmHg manometer provides day-in, day-out dependability exceeds industry standards, Chrome-plated brass air release valve, Not made with natural rubber latex, Meets or exceeds ANSI/AAMI/ISO 81060-1
Reaction Timer allows you to precisely quantify a person's reaction time by recording how quickly they can flex their muscles in response to a stimulus, Stimulate with two different colors of light in 3 different locations to test for visual reaction time