WIDE SPEED RANGE: Wide speed range of 0-3000rpm. Orbital diameter of 6mm, perfect dynamic balance design can eliminate any movement while mixing. TOUCH MODE, CONTINUOUS MODE: Touch mode and continuous mode are available. Various applications with different interchangeable attachments BRUSHLESS DC MOTOR and sturdy iron, aluminum casting base with 4 suction cubs for stability. Low operation voltage(12v) for full protection, excellent mixing capability can make mix full 50ml containers within 3 seconds. OUR QUALITY - our vortex are made to highest quality standards. Certifications: iso9001 2003, iso13485 2004. One year warranty, your satisfaction is our priority.