Delicate design, beautiful appearance, ergonomics; Wireless, flexible and convenient operation;Fast heating speed, reaching 160 degrees in 2 seconds; 2400mAh large-capacity Ni- rechargeable battery, meeting more than 100 cut-off applications; Provide 4 kinds of heating needles to meet the requirements of complex root canal applications; Fever needle can be by high temperature and pressure, safe and durable; Press rapid heating, release the button a few seconds for cooling, easy to use convenience and comfortable.Using wireless charging technology stylish, fashionable.Rapid heating, highest temperature of 135 degree centigrade. Fever needle can be by high temperature and high pressure, repeated use highest temperature of 135 degree centigrade. Press rapid heating, release the button a few seconds for cooling, easy to use Usage: 1.How to charge Put the unit into the charge base, when the unit is inside the charge slot, the light indicator on the handle will turn on. 2.About autoclave The tips can be autoclaved no more then 25 time (at 121 at least 20 minutes and at 132/134 at least 5 minutes). Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Item Type: Teeth Whitening Ingredient: Tooth Cutter Battery: 1.2 V 2400mAh Charging time: 48H Power: 2.5W Concern: teeth health care Colour:White Material:plastic Size:15cmx12cmx3.5cm Voltage: AC100-240V Package Contents: 1 * Tooth Cutter 1 * Charging stand 4 * Replacement head Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.