Aneroid with large adult adult small adult and child print durable one-piece cuff and zipper case * Innovative trigger-release design for easy operation * Certified accuracy to ñ3 mmHg * Meets AAMI shock-resistant standard for enhanced durability (30 ) * Laser-engraved dial face for accuracy * Ruby-jeweled movement for long life * Trigger deflation valve for smooth one-finger operation * Latex free for safety * 15-year calibration warranty *