Check the listing for details. Cordless Tattoo Machine EZ Portex Gen2 (Gray). Color: Gray, Condition: New. Listed at 172.50 USD. EZ Portex Gen2 is a machine with an updated LED screen and battery. The machine has 3 modes of operation for versatility of operation. Inside, an individual Swiss motor is used, which pushes the cartridge needle precisely and strongly, resulting in a superpower exceeding your expectations. The ergonomic design makes it one of the most comfortable foams. Its vibration and noise are minimal, and its shape allows you to comfortably hold the machine and use it for hours. The typewriter can be used both wireless and as a regular one. Included is an RCA adapter for connecting a clip cord. There is also an RCA adapter for the power supply. We recommend that you use a standard charger with a current of 2A (on charging units, this usually looks like 5.1V=2.1A). You can use the device with a lower current strength. Fast charging/ultra-fast charging may damage the battery. Motor: EZ Customized Swiss MotorConnection: RCAMaterial: Aviation aluminumStroke length: 3.5mmWorking voltage: DC 5-12VRPM: 9000 rpm ± 10%Frequency: 60-160 HzNeedle protrusion: 0 - 4.5 mmDimensions (Ø x D): 28 x 136 mmWeight: 176g/196g with batteryHandle: 28mm/32mmBattery Capacity: 1000mAh