This latex-free Manual BP Kit from ADC is assembled using many of the same components found on their professional grade products and includes a 5 year calibration warranty. Offering unmatched quality, the Manual BP Kit from ADC is an excellent choice for home use. Features and Benefits Dial features bold white numerals on black face for easy reading. Self-adjusting D-Ring Adcuff for Home for one-handed application. Size Guide marking system ensures optimal accuracy. Latex-free. Auto-deflation valve. Accurate to +/-3mmHg of reading. Attached nurse scope. Zippered carrying case and operating instructions.