3-D rotator waver is ideal for blood samples, DNA extractions, blotting techniques, and general mixing of various size tubes. 230V, 50/60Hz Vertical and horizontal orbital motion Digital display for speed, tilt angle, and time Microprocessor control Timer with audible alarm Now with Best-in-Class, Exclusive 5-Year Warranty Available with a NIST Traceable, ISO/IEC 17025 Accredited Calibration Certificate from Troemner Unit includes a nonskid mat for platform and a 234 cm (92") detachable, three-wire cord and plug. The 230V unit is supplied with a European-style plug.