Brand Name: CAMMUO Origin: Mainland China Power Source: DRY BATTERY Material: Plastic Hand Instrument: Yes High-concerned chemical: none Is Batteries Included: Yes Working Principle: vibration massage Commodity Quality Certification: CCC Standard Voltage: 110V（不含）-220V（不含） Certification: CCC Manufacturing Process: Machine Made Function: Skin Rejuvenation Function: Skin Mouisture Function: Skin Tightening Function: Anti Wrinkle Power Source: DRY BATTERY Model Number: WXZ000455 Number of Pieces: One Unit Type: Face Washing Brush Choice: yes