Brand Name: UBilli Power Source: USB Charger Material: Resin High-concerned chemical: none Origin: Mainland China Voltage: 220-240V Is Batteries Included: Yes Medical supervision required?: N Working Principle: Normal Light Manufacturing Process: Hand Made Power Source: USB Charger Certification: CE Function: Facial Clean Function: Skin Tightening Function: Skin Rejuvenation Function: Skin Mouisture Function: Dead Skin Removal Function: Anti-Acne Function: Anti Wrinkle Function: Whitening Number of Pieces: One Unit Commodity Quality Certification: ce