1:5 transmission. Triple-gear technology with a 20% smaller head and no loss of power. Features a patented head/knee angle combination for superior access in the oral cavity, a 3-port spray, Plasmatec hygienic coating, an exchangeable spray filter, a friction-grip push-button autochuck, and cellular optics. Speed range up to 200,000 rpm. 2-year warranty, 2-1/2-year warranty if maintained with KaVo’s QUATTROcare Plus.