Function characteristic: Exquisite design， beautiful appearance， in accordance with human engineering; Wireless， easy to operate， convenient; Heating speed， 2 seconds to reach 160 degrees; 2400mAh large capacity LSD nickel metal hydride rechargeable battery， to meet more than 100 times the cut-off application; Provide 4 kinds of fever needle， can meet the requirements of various complex root canal application; Fever needle can be high temperature and high pressure disinfection， safe， durable; Technical parameters: Battery: 1.2 2400mAh V Charging time: 48H Charger input voltage: AC230V/50Hz; AC110V/60Hz Power: 2.5W Weight: 0.35kg Specifications: 15cmX12cmX3.5cm Product description: 1， the tooth canal filling， root canal filled by lateral pressure is determined， the product with the cut root canal excess gutta percha; 2， in the use of this product when the long press switch， the front of the heating wire in a short time to achieve the desired temperature， let go of the switch is a short time to cool. Function characteristic: 1) long press the button to quickly heat， release the keys within a few seconds to cool， easy to use， fast， comfortable. 2) the use of wireless charging technology， fashion， fashion. 3) 2400mAh high-capacity nickel cadmium rechargeable battery， frequency of use， to avoid the trouble of frequent charging. 4) the heating needle can be sterilized by high temperature and high pressure sterilization.