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Product Name: Visual Tooth Cleanser Product model: H02100 Materials: ABS, stainless steel, silicone Camera pixel: 3 million Resolution: 640 * 480 Lens size: 5.0mm Focal length: 1.4-1.8CM Perspective: 70 ° Sensor size: 1/9 inch Format: AVI Photo format: MJPEG Light source: Built in 6 bright LED lights Connection method: WIFI connection Applicable operating systems: Android 4.4 and above/IOS 9.0 and above versions Working mode: One click operation, four cleaning modes Waterproof grade: IPX6 Working principle: Motor vibration Vibration frequency: 38000 times/minute Battery: 350mAh Power: 0.4W Rated voltage: 3.7V Working voltage: DC5V Charging method: USB interface, Type-C charging Charging time: approximately 2 hours Usable time: 90 minutes (recommended to use continuously for 10 minutes before use, stop for one minute and rinse with cold water) Working temperature: -10~50 degrees Packaging list: 1 main unit, 1 pointed head, 1 flat head, 1 small helper, 1 storage container, 1 English instruction manual, 1 English color box Product size/weight: 18.1 * 3.5 * 2.6cm, 70g Packaging size/weight: 20.5 * 9.8 * 3.5cm, 134g Packing specifications: 48cm x 30cm x 30cm, 50 sets, 8kg