[Safety and Correctly Using] The dental plaque remover tool only works when it touches with teeth and hard objects etc, stop vibrate when touching gums and soft . A dust protection case keep your device clean. This device is not a replacement for dental floss and toothbrushes, as each of which serves a different .[Efficiently Ultrasonic Dental Cleaner]This plaque remover tool is designed to efficiently clean teeth such as teeth stain tarter plaque calculus. Suitable for anyone looking to take better care of their teeth.[New Version -Visual Dental Tools]Your dental tarter remover is connect with phone app for your convenience to view live video of your teeth. Built-in high precision macro lens and multiple sensors and through intelligent software algorithms, allowing you to enjoy the high definition pixel experience.[3 Modes & 2 Cleaning Heads]Your calculus remover tool for teeth has 3 working modes for different sensitivity of gums, meet your different needs. Dental kit comes with 2 compatible cleaning heads, pointed head suit for clean small stains in the gums, flat head suit for clean tartar in the teeth surface.[Advantages of Visual Scaler] Built-in high-capacity battery, ABS shell, exquisite and compact, easy to carry, equipped with high-performance camera module, visual operation, easy to achieve comfortable teeth cleaning, wireless WIFI connection, with APP software, compatible with Android and , built-in overcharge and over-discharge chip , can be by USB, and there is a power indicator for charging and discharging.Product parametersMaterial: ABS+stainless steel+siliconeColor: WhiteCamera pixels: 300,000Resolution: 640 x 480Lens size: 5.0X5.0mm length: 1.4-1.8CMViewing angle: 70 Operating voltage: DC5VSensor size: 1/9 inchVideo format: Photo format: MJPEG: Built-in 6 high brightness LED lightsBattery: 350 mAhConnection: WIFI connectionWorking mode: One button operation, four cleaning modesWaterproof rating: IPX6Charging : USB interface, Type-C chargingVibration frequency: 31000 times / minCharging time: about 2 hoursRated voltage: 3.7VUsable time: 90 minutes (recommended after 10 minutes of continuous use, stop a minute to rinse with cool water)Operating temperature: -10~50 degreesPackage Contents:1 x Visual dental Scaler1 x Data Cable1 x Wrench2 x Working TipsOnly 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.