1. Adjustable Eccentricity Block: Adjust the angle of eccentricity block, can stepless adjust the excitation force, meet all kinds of requirements. 2. Vibrator Motor: AC Vibration Motor 30W Industrial Vibrating Asynchronous Vibrator 220V 3000RPM. 3. Description: Motor adopt of bearings, low noise, operation, long service life. High temperature resistance pure copper enameled wire, all copper winding, stator vacuum dip paint, insulation grade 4. Features: Light quality, fast heat dissipation, fast temperature rise. The motor machine shell is precision casting, with o-ring seal , fully closed structure design, with dustproof and moisture-proof function. 5. Useful: Motor anti vibration power cable protection cover to prevent long - time cable vibration damage. Apply in Mining, metallurgy, coal, electricity, construction, chemicals, food machinery, etc. Current: 0.13A Force: 20KG Frequency: 2940Hz (50Hz); 3450Hz (60Hz) Size: 145 x 110 x 75MM (5.7 x 4.3 x 3inch) colour: orange Material: metal Package Contents: 1 x small vibrator Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.