XIANQI Simple and effective: Dental plaque tester turns on the purple light with one button, no reagent is applied, and the filter can identify the plaque and the cleanliness of the teeth Easy to use: Oral cleaning tool can be used just by installing the battery, without connecting the power cord. Can be used anytime, anywhere Safety: select a specific band of purple light, portable plaque detector has no harmful radiation, safe and secure, and it can also be used by children Material: Teeth plaque detector is made of PVC material with high quality and durability Can be shared by the whole family: Oral care tool fits the face during detection, does not touch the inside of the oral cavity, and the hood can be removed and washed, which is more healthy and hygien dental plaque tester,portable plaque detector,oral care tool,teeth plaque detector,oral cleaning tool adopts an ergonomic design and is comfortable to hold. Portable plaque detector is easy to detect the condition of dental plaque, fits the face during detection, does not need to touch the inside of the oral cavity, and is healthy. Oral care tool has no harmful radiation, safe and secure. It is battery powered and convenient (without battery). Features Blackhead vacuum -Color: White. -Material: PVC. -Waterproof: The body is not waterproof, but the mask of the machine can be cleaned. -Display mode: assist the naked eye to identify bacteria (red is the bacteria area). -Power supply: Convenient and simple battery power supply design. -Product function: Identify dental plaque to distinguish the cleanliness of teeth. Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. Package Including 1 * Dental Plaque Tester 3 * AAA batteries (not included)