Exact precision that lasts a lifetime. Made in Germany. - Shock-proof up to a falling height of 120 cm - Scale: Ø 52 mm black with red fluorescent pointer - Valve base and air duct with metal precision valve - Two component ABS casing - Metal Threaded tube connection at the top of the casing for fast cuff exchange and ergonomical operation - Maximum error tolerance of +/- 2 mm Hg - Weight: 173g