Needles: 1 needles, 3 needles, 7 needles, 9 needles, 12 needles, 36 needles, nano needles.
Needle material: stainless
Body color: sliver/Golden
Needle length: 0.25mm-2.5mm
Battary: 1 pcs inside the derma pen
Power line: 1 pcs
You can use the power line or the rechargeable battery.
It can be used while plugged in.
The pen can be used 110V to 230V.