What’s Included: One aneroid sphygmomanometer D-ring Zippered travel case Manual Reliable And Accurate ReadingsConfidently achieve reliable readings and track blood pressure levels with an accuracy of +/-3 mmHg. The calibrated adult aneroid sphygmomanometer measures systolic blood pressure ranging from 0-300 mmHg. Easily portable, a large zippered travel bag provides safe storage at home or on the go. Convenient Self MeasurementsSecured with a durable fastener, the lightweight nylon cuff also includes a D-ring to ensure a proper fit for most individuals. Additionally, the included inflation bulb and spring air-release valve enable easy and accurate self-measurements. Easy To Read DialThe aluminum alloy manometer is stick and crack resistant. The manometer uses a large, high-contrast dial that is easy to read. Perfect for seniors and those with low vision. Latex-Free Flexible CuffAdult-sized nylon cuff fits arm circumferences ranging from 9.84” to 15.75”. The cuff is easily secured in place with premium velcro to ensure accurate results. The double-tube PVC inflation bag has a large spring air-release valve and tapered end valve. Vive GuaranteeA 60-day unconditional guarantee so you can purchase now with confidence.