2X30W Concrete Vibrator, 4000RPM Electric Vibrating Motor with Speed Controller. Effective Device: The concrete vibration motor adopts accuracy bearings, rotors and copper coils, which make the machine run smoothly, efficiently, save electricity and low noise. Adjustable Exciting Force: The angle of the eccentric block of the vibration motor is adjustable, and the exciting force is adjustable. Therefore, it can meet various requirements. Aluminum Case: This concrete vibration motor is made of upgraded materials, and hard and wear resistant aluminum housing ensures durability. Wide Application: The concrete vibrator can be widely used in mining, metallurgy, coal, electric power, construction, casting, food, sieving, food machinery and other fields. Easy Wiring: This vibration motor is easy to wire and easy to install on the machine, and the protection level is IP65, which is sealed and safe. Item Type: Electric Vibrating Motor Vibration Force. 20kg / 44.1lb Frequency: 50Hz Maximum Speed: 4000RPM Protection Class: IP65 Voltage: DC12V color:As shown :Aluminum + Package Contents: 1 x Concrete Vibrators.