Halyard H500 Sterilization Wrap, 24 x 24 Inch, 1 Case of 250 Bunion Bedder Shield Regulator 6 * The diaphragm gears Color:Red 6 * The diaphragm gears springs and linkages the very components that make an aneroid vulnerable to shock vibration and over inflation were removed and replaced with electronic pressure sensors IC chips and a backlit extra large easy to read liquid crystal digital display * Shock resistant * Easy to read in daylight as it is in a dark room * Displays deflation rate to promote more accurate measurements * It is so efficient it gets up to 1500 cycles on two AAA batteries * It provides two battery strength warnings advance and urgent to ensure you never lose power at an inopportune time * It will work with virtually every major brand of blood pressure cuff on the market * It has a systolic assist that will alert you about 20mmHg before the onset of Korotkoff sounds * A pulse monitor that will display pulse rate once measurement is complete * It will remind you to check calibration once per year or every 10 000 cycles whichever comes first * This instrument will turn itself off to conserve battery strength * Used with stethoscope (not included) * Lifetime calibration warranty * It is intended for temporary requirements and designed for active elderly people who are afraid of falling H500 is the penultimate strength level in the O&M Halyard line and is made of SMS sterilization fabric Low lint SMS fabric