Aneroid Sphygmomanometer 767 Improved ergonomics and a new modern design make the 767 Aneroid an easy to use and attractive blood pressure aneroid. Based on almost a century of experience in building and designing innovative blood pressure technology, Welch Allyn offers the smart choice for accurate and reliable readings in your practice or hospital. •The laser-engraved dial face provides unmatched accuracy •Certified accurate to +/- 3 mm Hg •The recessed dial face and high-contrast red pointer increase visability and reduce parallax errors •Jeweled movement contributes to a longer life •A lifetime calibration warranty •Comes with an adult FlexiPort® BP cuff that is antimicrobial treated to help prevent mildew and bacteria growth •Latex and Mercury Free ONE YEAR WARRANTY