HEALTH LINE MASSAGE PRODUCTS Dual Motor Full Body Vibration Plate Exercise Fitness Machine Whole portable butterfly shape New Model with DUAL MOTORS (Triangular Oscillation or Tri-Planer Vibrations) 110v, 60hz for operation within US and Canada - Just plugs into any ordinary outlet! Large Platform / Plate (20.5" x 13.5" Plate Size) (Overall Size: 24" Wide x 19" Deep x 8" Tall). 60 Speed Settings (For each motor!) Dual Control Panels Easy to read LCD Screen Display (approx 3" x 2"). Triangular Oscillation Amplitude: 0-10mm Triangular Oscillation Frequency 5Hz-14Hz Tri-Planer Vibration Amplitude 2mm. Tri-Planer Vibration Frequency 15-40Hz Maxiumu Load Weight: 265lbs (Upgraded steel frame, many others only 200 pounds max). Arm Bands Included - Great for upper body workouts Leveling legs on the bottom make it easy to have it perfectly balanced to work on any floor Full 1 year warranty included.