Precise settingof 10 powerlevels Key button,strong Manipulation feeling Automatic frequency tracking system and powerfeedback. Scaling,Periodontic function cater to yourdistinctive needs Detachabelhandpiece,can be autoclavable at135ºC for sterilization. Optional for with light or without light ." Equip with 5 pcs Scalertips:Gl*2,G2*1,G4*1, P1*1 Technical data: Power input: 30V DC 1.2A Output tip vibration frequency:24KHZ~33KHZ Water supply pressure:0.01MPa ~0.5MPa