6 available stroke options: 3.5mm | 4.2mm | 5.0mm | 3.7 mm | 4.0 mm | 4.6 mm. 
Extra 40mm reinforce grip
Special direct drive torque motor, weighted eccentric shaft.
Estimated charging supply gives up to 12 hours of usage. 
Touchscreen can be sense even with gloves on.
Machine weight: 180g, Width: 33ｍｍ, Material: Aluminium.
Center gravity / Anti-rolling body design.
Wireless design with Type C connector 5V2A or RCA wire cables.
Intermatic timer control.
Longer power lasting supply. 
The grip can adjust the needle 0-4mm out.
Preventing abnormal pin sticking design.
Regular tattoo needles replacement.