Product Name：RHEIN two battery tattoo pen

Matrial：High Aluminum 
Pen length：164mm
Pen diameter：20mm
Product Weight：92g
Needle Stroke：2.2mm
Needle Length：0-3.2mm

Battery Capaticy：600mAH*2pcs

Starting Voltage：7.0V

Output Voltage：5.0V-9.0V

Eelectric Motor: Hollow column with brush motor

Remark：When the battery runs out，short time (2 days) if not in use, pay attention to full charge before storage.

Customized LOGO: more than 10 pcs accept with laser printing.