The Darkhorse Lightsaber is an efficient machine that takes the majority of all Tattoo Cartridges. It has an LCD screen that displays Voltage speed, battery life and run time. It comes in a set box with 2 batteries and a battery charger. Stroke: 3.5 mm Material: Aviation aluminum alloy Voltage: 4.5V-12V Charge input: 5V/1.5A Output: 4.2-12V Spare battery capacity: 1900MAH Speed: 8000-10000rpm Uses: Can be used Wired or Wireless Pen size: 32mm*142mm Box size: 267*85*172mm Set includes: 1 The Darkhorse Lightsaber machine 1 High-grade aluminum alloy box 1 Battery Charger 1 USB-C Cable 1 USB Power Adaptor 1 RCA - Phono plug 2 Rechargeable Batteries 1 RCA adaptor for the DarkHorse Tattoo Machine.