• Provides smooth instant vortexing of even the largest samples including full 50 ml tubes. Variable speed control from 200 to 3200 rpm. • A powerful motor and a Q-drive™ dynamic counter balance system create maximum vortexing action while minimizing noise and excessive vibration. • Touch or continuous operating modes. • Quiet, efficient and long lasting operation. • ‘No-walk’ suction feet hold the mixer in place. • Coldroom and incubator compatible. Operating temperature range: 4 to 65°C. • Optional combination head holds 66 tubes (38 x 1.5 ml and 28 x 0.5 ml) or one microplate. • Dimensions: 5” x 6.3” x 6.7”. Weight: 3.8 kg. • Power: 120 volt. Warranty: 2 years.