Rotation continuously adjustable from 20 to 300 rpm. Vibration orbit of 20 mm for gentle circles. Maximum load capacity of 2 kg. Desinged for culture plates and Erlenmeyer flasks up to 250 ml. Analog dial controls for vibration frequency. Process timer allows for unattended operation up to 120 minutes and sends an acoustic signal. Encapsulated housing, virtually no heat transfer from motor to platform. Comes with non-skid rubber mat. Protection class IP 30.