High quality palm-style sphygmomanometer with ergonomic design. Air release valve conveniently regulated by finger-tip control. - Calibrated nylon cuff with velcro - Latex-free bulb for pumping up the cuff - Tube connection at the top of pressure gauge for unhindered blood pressure measurement - Microfilter protects air release valve and measuring system - Specially tempered copper-beryllium diaphragm almost non-aging - The precision movement guarantees reliable measurement - Diaphragm can be pressurized up to 600 mmHg