The AEU-08D is a low cost versatile electric motor system that is perfect for chairside adjustments, polishing and lab work. Size: 5.5" x 5" x 2.5". 120 or 220 volt available. Variable speed to 30,000 RPM. Lightweight sealed motor housing. Good torque. Includes AE-7P On/Of Footswitch Includes "E" type straight handpiece, Micro Motor and console.