BHS Validated Palm Style Shock-Proof Android (Black Scale) with a Latex-free one piece disinfectable washable cuff (Black) , Single Tube, Vinyl Zipper Case, Riester R1 shock-proof®. Lifetime measuring technology!Clinically validated Shock proof Blood pressure device • Patented shock-proof technology• Fast, ergonomic inflation due to optimized bulb design with integrated spoon• Non-resistant opening of air release valve ensures precise and comfortabel operations• 5 years warranty on calibration• British Hypertensie Society approved for accuracy