1.5 HP DC rectified UL recognized motor, 110V power supply. 20" cleaning path, with a pad speed of 1500 rpm. Noise level is 62 dB. Features a toggle flip adjustable handle and full pad-to-floor contact with no compensating castor. Flexible pad drive to reduce floor "burning". Dual lever on/off safety switch for left or right hand operation. 5" non-marking, self-lubricating transport wheels. 50' UL listed 14/3 STW-A power cord with hospital grade plug. No slip, micro-V belt drive transmission.