The Welch Allyn 7670-01 Tycos 767 Wall Aneroid with Durable One-Piece Adult Cuff has great looks and clinical-grade accuracy make the 767-Series one of the best Tycos aneroids ever. Nearly one hundred years of experience designing and building the most accurate and durable aneroid sphygmomanometers in the world. With a tradition of delivering true customer value and a high level of customer service, Tycos is the only aneroid sphygmomanometer that is manufactured in the United States. FEATURES: The safe and convenient way to take accurate blood pressure readings. Completely safe, mercury-free and latex-free wall aneroid sphygmomanometer is lifetime certified to be accurate to ±3 mmHg. Precision jeweled bearings resist wear for consistently accurate readings. Every dial face is individually laser-engraved for exact calibration. High-impact housing and bezel to protect the movement and crystal. Crisp white graphics on the large charcoal gray scale provide better readability. Unique phosphor-bronze aneroid bellows ensure consistent blood pressure measurement. Recessed dial brings needle and dial markings close together and eliminates parallax. Meets AAMI accuracy standard of ±3 mmHg. Built-in basket for securely storing the inflation system. 40° side-to-side swivel for clear viewing at all angles. Durable one-piece blood pressure cuffs last 100, 000 cycles, are easy to use and clean, and are treated with an antimicrobial agent to resist bacterial growth. Luer lock permits quick interchanges among various cuff sizes. Latex free.