MAST-LANCER Wireless Rotary Tattoo Pen

MAST-LANCER Wireless Rotary Tattoo Pen - Replaceable battery

Mast Lancer wireless tattoo machine can work 8-12 hours with one battery.  Has LED screen shows operating voltage and 0.1v voltage adjustments, battery capacity is 1800mAh.
Anodized aircraft aluminum body. Lightweight and precision machined. Features jumpstart and memory functions
Stroke Length: 3.5mm. Adjustable cartridge needle length from 0mm up to 4mm with twist of the grip.
This Mast Lancer machine has two replaceable wireless batteries, charged fully in 2 to 3 hours.

Specifications:

Machine Weight: 158g
Battery Weight: 34g
Length: 129mm
Diameter: 30mm
Stroke Length: 3.5mm
Motor Speed: 10V/10500 Rpm
Battery Capacity: 1800mAh