【Features and Benefits】 This beauty device uses RF (radio frequency) technology, which is effective for tightening and lifting the skin. It allows you to easily perform spa-like care at home. 【Included Accessories】 A user manual and AC adapter are included, so you can start using it right away. - Brand: YA-MAN - Model Number: HRF-3 - Country of Manufacture: Japan - Voltage: 9V/2.0A - Included Accessories: User manual, AC adapter Thank you for viewing.