Standard Motor/Controller Specifications: Power: 110-220VAC 50/60 Hz (Supplied with Standard USA Power Cable) Current: 1.5A Motor Type: Brushed DC Motor Speed: 0-11,500 RPM (Shown as 0-100%) Adjustments: Acceleration and Deceleration Rate, Minimum and Maximum RPM Short Base Rotor Kit Specification: Overall Dimensions: 16” x 4” x 5” (406.4 x 101.6 x 127mm) Weight: 28 Lbs (12.7 kg) Max. Distance Between Bearing Stands: 8.75” (222.25mm)