The UDS-L PLUS ultrasonic piezo scaler is made up of the best material: the hand piece is cast from titanium alloy to ensure sound mechanic function and durability;assembling with excellent piezo-ceramic, the handpiece has high and long lastingpower and generates little heat. The frequency is between the 28/32 kHz.The automatic tracking ensures that the machine always works on the best frequency. Six pieces of scaling tips attached, made up of special material and compatible with EMS® scalers.Small and light design, easy operation, reasonable price and lifetime maintenance. VERSION With AUTOMATIC Water pump supply system