Description: Before switching on the power, set the strong and weak switches to the middle O position. After switching on the power, select strong or weak vibration and place the plaster model to be oscillated on the oscillator plate. Turn on the adjustment knob and adjust clockwise to increase oscillation and counterclockwise to decrease oscillation. When the model is finished vibrating, close the knob to stop the oscillation and remove the model for use. Features: Color: As Shown Power supply voltage: 110v/50HZ±10% Power supply: 120W Dimensions: Product size:20.7*15.5*10 cm/8.16*6.1*3.9 inch Weight: 3.92kg/8.64lb Products include: 1 * Dental Lab Vibrator Square