Product Details Easy for BP measurement from a distanceSpecial ‘D’ ring cuff, control valve, bladder and bulb, more durableSquare shape printed dial with contrast colour backgroundBellows are of proven material for long lasting and better repeatabilitySector mechanism is specially designed for maximum repeat accuracyCrystal clear cover glass for best visibilityAll plastic and rubber parts are of first grade virgin materialMetal parts are specially treated to prevent corrosion 6x6 inch big size Dial for better readability Classic look, Sturdy finish Coiled, expandable rubber tubing Special cuff, control valve, bladder & bulb, more durable Square shape printed dial with contrast colour background Face plate of dial can be titled to any suitable reading angle Measurement Unit : mm Hg Resolution : 2mm Hg Measurement method : By Auscultation with Stethoscope Pressure display range : 0 – 300 mm Hg Accuracy : +/- 4mm Hg (Pressure) Cuff size: 14.5 cm x 51 cm Pressurization: Manually by rubber bulb Deflation: Hand held pressure control valve