DuraShock DS66 Trigger Maintain accurate blood pressure readings at a lower lifetime cost with gear-free DuraShock™ technology, the first major innovation in aneroid technology in nearly 100 years. Part of our Gold Series, the DS66 Trigger features an innovative trigger-release design for easy operation. •Shock resistant to maintain accuracy at a lower lifetime cost – it can withstand up to a 76 cm drop and remain in calibration •Jewel movement for long life •A laser-engraved dial face for accuracy •A trigger deflation valve for smooth, one-finger operation •Lighter weight than traditional models •calibration warranty •Latex-free 3 YEARS WARRANTY