Feature: 1. Stable speeds range makes the experiment more convenient and fast. 2. It is a simple equipment used commonly in laboratory to mix liquid. 3. High efficiency brushless motor drive ensures long service life. 4. 3000RPM provides safe and fast mixing, compact and easy to use. 5. Start protection structure, high quality silicone is more durable. Specification: Condition: 100% Brand New Item Type: Laboratory Mixing Machine Material: ABS + Silicone Model VM300 Control Method Constant Speeds Motor Type Brushless Motor Amplitude 4.5MM (Circle Oscillation) Maximum Sample Handling Capacity 50ML Speeds Range 3000RPM Housing Protection Class IP42 Power 12W Voltage 100-240V 50/60Hz Allowable Ambient Temperature 50~40℃, 80%RH Product Size Approx. 93 x 93 x 72 mm / 3.7 x 3.7 x 2.8 in . Package List: 1 x Vibration Mixer1 x Power Supply1 x Chinese User Manual