"- Variable speed vortex mixer with a range of 600 to 3200 rpm (2700 rpm for 50Hz models). - Operates in continuous “hands-free” mode or “touch-on” control for user convenience. - Suitable for mixing tubes, beakers, and flasks in labs, cold rooms, and incubators. - Compact size: 165 x 122 x 165 mm; weight 4 kg."