Dental Calculus Remover with LED Display, Tooth Cleaning Kit Plaque Remover, Adult Children's Safety Features: Real Ultrasonic Cleaning 2 million times/min Ultrasonic vibration will not cause pain and damage to your teeth and is more thorough clean your teeth. It can easily solve various oral problems such as calculus, tooth stains, tartar, tea stains, smoke stains and plaque. 360 Ring Spotlight The 360 Ring Spotlight makes your teeth clearly visible while cleaning, making tooth cleaning more precise and free of dead spots. Premium material and separate dust cap The tooth cleaning tip is made of food grade stainless steel and won't rust or fade. The anodized space aluminum alloy body has an excellent feel, which can easily cope with drops and avoid paint peeling. Independent dust cover keeps the cleaning head clean at all times. Intelligent protection 10 minutes default working time to prevent the machine from overheating and prolong the service life. Specifications: Material: aluminum alloy + stainless steel Battery capacity: 600mA Charging time: 2~3.5h Use time: about 20 times (10 minutes at a time) Charging display: The indicator light flashes when charging, and is always on when fully charged. Gear: 3 Waterproof Rating: IPX6 Power: 3W Vibration Frequency: 2642kHz Package Contents: 1 x Scaler 1 x Dental Mirror Produced by yougang