Features: * The boosting pipe is compatible with standard 1.80ML local anesthetic and two models of syringe needles (British system and metric system). It is mainly used for local anesthesia injection of oral cavity. * There is no pipeline or other consumables, which may save the anesthetic and save the clinical cost. * There is no foot switch, just operation via pen holding; it can be operated simply while the first finger touches the sensor. * The unique design combines the pen holding type with the one-button operation perfectly, brings easier operation for doctors. * Low noise with melodious music. * The LCD display screen shows the operational process and dosage visually. * Non-contact of induction charging.