| Type | Derma Rolling System, Derma Rolling System |
| Certification | ce, ISO13485, RoHS |
| Place of Origin | Beijing, China |
| Brand Name | GHY Beauty, Dr.pen |
| Model Number | 9901 Series |
| Feature | Skin Rejuvenation, Dark Circles, Wrinkle Remover, Whitening, Pigment Removal |
| Application | For Home Use |
| Warranty | 3 months |
| Plug | US/UK/EU/AU/KR |
| Operation | Automatic infusion |
| Color | blue |
| Product name | M7 derma pen needles cartridges |
| Needle number | 1/3/5/7/9/12/24/36/42/Nano |
| Needle material | Stainless Steel |
| Rechargable | Yes |
China Room 104, Building No. 7, [5-1] Xizhihe Village, Chaoyang District, Beijing, China
Contact Person Mr. Daniel Lee