15,000 rpm maximum speed, 23,100xg maximum g-force, 4x100mL maximum capacity, -10oC to 40oC operating temperature, 1-99min. timer adjustable in 1min. increments, microprocessor controller, short spin feature, soft-start-stop function and maintenance-free brushless motor, rotor detection system automatically senses rotor type and displays maximum rpm value, indicator lights signal an unbalanced rotor or open lid, LCD display indicates the speed, time, temperature and error messages, comes with 16A6-18 swinging bucket rotor with 6 buckets, 4,000 rpm maximum rotor speed, 115V, 60Hz, 800W. Return Policy Items are sold as-is with no returns or refunds available unless explicitly stated.