Model: VEW5 Function: clean teeth Tip accessories: internal thread M3X0.5 (metric) Power input: AC110V/220V, 50/60Hz, 1A (maximum) Vibration deviation of the output primary end: ≤100μm, the deviation is not more than +50% Output half stroke force: 2N, deviation is not more than +50% Vibration frequency at the output: 28kHz±3kHz Output power: 3W～20W Host fuse: T1AL250V Water pressure: 0.1bar～5bar (0.01MPa～0.5MPa) Size: 225mm*220mm*143mm Ambient temperature: +5℃～+40℃ Relative humidity: ≤80% Atmospheric pressure: 50kPa~106kPa Cooling water temperature: +5℃～+25℃ Operation mode: continuous operation Liquid ingress protection level: ordinary equipment (IPXO) packing list: 1 x bracket 6 x toothbrush heads (G1, G4, P1, P3, P4, E1) 1 x box of NiTi Endo files (#15, #20, #25, #30, #35, #40) 2 x wrenches: limit wrenches, metal wrenches