Model | DerA7 |
Power supply | charging |
Adapter | 5v-1000MA |
Vibrating frequency | 1800rpm - 7000rpm |
Needle length | 0~2.5mm |
Needle material | nano wafer /imported medical stainless steel |
Needle number | 12/9/36/42 needles |
Body material | aluminum housing |
Body color | Black |
Size | 157mm |
Weight | 56g |
![derma-pen](http://img5.grofrom.com/www.risenlaser.com/risenbeauty/derma-pen4.jpg)
![detail-of derma-pen](http://img5.grofrom.com/www.risenlaser.com/risenbeauty/detail-of-derma-pen.jpg)
![treatment](http://img5.grofrom.com/www.risenlaser.com/risenbeauty/treatment1.jpg)