Rolence Elitedent® PS-25 Ultrasonic scaler (Piezoelectric type) 1. EMS or Satelec tip compatible handpiece optional. All your existing tips will remain in use. 2. Improved hanpdiece power reaches 8W, comparable to NSK, EMS and Satelec. (15W is for ultrasonic bone surgery) 3. Detachable handpiece can be autoclaved in 135?. Specification: ?Main unit dimension: 8.4 cm (H) x 20.2 cm (D) x 14.8 cm (W); Weight: 1.5 KG ?Power Supply: 110V AC/230V AC (optional), 50/60Hz; Frequency: 30Khz (+/-5%); ?Max wattage consumption: approx. 35 W