Description: High frequency vibration effectively separates dental plaque, dental calculus, and stains, removes hard tartar easily from the teeth, from even the hardest to reach areas, and prevents gum and tooth problems. Comes with a LED screen, auxiliary LED light and a silicone handle, lightweight body, comfortable to hold and easy to use. Two-button layout effectively avoiding misoperation. IPX6 level waterproof, to use. High-quality stainless steel head completely removes dental plaque, tartar and food residues in the oral cavity. Built-in 250mAh rechargeable battery provides a long-lasting battery life, it automatically outage after fully charged with USB, auto-protective and energy saving. It has a smart memory function, which automatically selects the last shutdown when it is opened. It also has 3 heads to choose from depending on your dental needs. Specification: Colour: Black Size: 24.5x8.6x2.5cm Material: ABS Weight: 175g Model Number: 104146 Charging Interface: DC seat charging Battery Capacity: 250mAh Charging Voltage: 5V/iA Working Voltage: 3.7V Waterproof Rating: IPX6 Package Includes: 1 x Device Body 1 x Needle-Like Cleaning Head 1 x Hook-Like Cleaning Head 1 x Dental Mirror 1 x Dental Probe 1 x DC Charging Cable 1 x User Manual : Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!