Features: Beautiful appearance, small size, light weight, large capacity, can control the work time, easy to operate. The control panel has timing/speed control button, clear, simple to use. The speed is adjustable ranging from 0 to 4000rpm. Round centrifugal head, transparent glass cover on the top can effectively reduce noise and air resistance. Widely used for water treatment, chemical industry, petroleum, pharmaceutical, medical, pharmaceutical, food, etc. Specifications: Power Supply: 110V Model: 80-2 electric centrifuge Motor Power: 0.04kw Rotating Speed: 4000r/min Timing Range: 0-60mins Rated Power: 40W Speed Range: 0-4000 r/min Capacity: 20mlx12 hole Size: 31*28*26cm/12.2*11*10.2in Weight: 8200g(approx.) Instruction: Place the machine on a smooth and solid mesa, close all the switches, and adjust speed control knob to the minimum position; adjust timer knob, then power on, adjust speed from low to high till the speed you need. Package Includes: 1 x Centrifuge 1 x User Manual .