ADC 7002 E-sphyg Digital Pocket Aneroid Sphygmomanometer Blood Pressure Monitor, Reusable BP Cuff, Adult, Royal Blue Virtually indestructivel design can withstand repeasted drops of 5 feet or more. the e-sphyg gauge is latex free. extra large backlit lcd with 3/4 inch digits, is easy to read in virtually any light. Splash resistant housing for use in harsh enviornments. swivel cuff clip allows for manometer to be re-positioned for easy viewing. auto-off fuction conserves battery life. dual low battery warning Systolic assist alerts practioner to the onset of korokoff sounds, making it a great training aid. deflation rate display promotes proper technique in accordance with aha guidelines. Requires familiar and trusted manuall auscultation to obtain blood pressure readings (use of stethoscope). pulse rate display at completion of measurement. manometer works with virtually every cuff on the market. Lifetime calibration warranty