Overall Product Features- 
Two Year Limited Warranty
Brushless motor design carbon brushes NEVER need changing
Maximum Torque or Watts Output 10 oz. in or 70mNm or 230W. Powerful even at minimum speeds
Sealed housing eliminates dust, noise, and vibration
Additional port for Brush Type Micromotor Handpiece: 

This brushless micromotor is ideal for various applications at high, medium and low speed. 

• High Speed Applications: Running at high speed, it provides smooth, clean, and sharp detailing in metal and wood. It's also great for bright-cutting, grinding, finishing, texturing, and polishing. You never need to changes the brushes on this handpiece.

• Medium Speed Applications: At medium speeds it is ideal for effortless and fast stock removal in wood, diestone, or acrylics.

• Low Speed Applications: The low end offers extra control and power for stone setting and milling. 

HP4-817-2 (230V) Control Box and Front Panel LED Specifications and Features-
50/60 Hz, 100VA, 5.4" wide, 9.1" deep, 7" high
Dial speed control sets precise speed and torque
Auto cruise, Forward or Reverse rotation, Dial or Foot speed control
Digital display for precise speed and torque settings
Built in overload protection
Brushless micromotor handpiece connects to port on back side of control box
Brush type handpiece connects to port in front.

H.MH-150 Brushless Handpiece/Motor Specifications and Features -
6.3" long, 1.06" motor diameter, .75" grip diameter, 8.4 oz/237.7 gr., 115 volt
Ergonomic and brushless with long-lasting ceramic ball bearings
Bur changes are quick and easy with a simple twist of the front section of the Handpiece
Comes with either 2.35mm (3/32") or 1/8" collet installed.

HPMH-011 Brush Type Hammer Handpiece/Motor Specifications and Features -
6-1/4" overall length, 9/16" grip diameter, 1" motor diameter, 13oz/369 gr., 1.5 amps (115V) .75 amps (230V)
This Hammer Action micromotor is ideal for stone setting applications and engraving techniques. It has a slender contoured grip and impact adjustment ring for precise hammering work. Operates from 0-2,500 strokes per minute. The force of the impact of the MH-011 reciprocating handpiece can be adjusted from light to full by turning the metal ring while the motor is off or running. The speed of the hammer action can also be varied from 0-2,500 strokes per minute with the dial on the control unit. Used with the supplied Graver Holder, the handpiece becomes a precision power engraver- no need for an air compressor or a flexible shaft drive.