The Prosphyg 790 series features: Black enamel 300mmHg manometer - Chrome-plated deflation valve - Nylon D-Ring self-adjusting cuff with attached diaphragm only scope for one-handed use - Scope features adjustable chrome binaurals and black 22" PVC tubing - Zippered carrying case and operating instructions - Meets or exceeds ANSI/AAMI/ISO 81060-1