Check the listing for details. Professional Coreless Motor Adjust Tattoo Machine Cartridge Needles Kit 2000mAh. Color: Red, Condition: New. Listed at 175.99 USD. Instructions Long press the power button for 2 seconds to start, 1 second later restore to the voltage before shutdown and in the standby state, if you need to work, please click the power button to start, and then click the power button to stop the work.Click the +/- key to increase/decrease the voltage, and long press the +/- key to rapidly increase/decrease the voltage.Timing: after the current output, the timing starts, the corresponding timing icon flashes, no output after the timing icon stops blinking, manual shutdown can clear the timing time.Press and hold the power button for 2 seconds to manually shut down, and automatically shut down within 5 minutes without output.The charging icon shows the charging state, and the charging icon shows the full battery when it is full, while entering the overcharging protection state.Forced start: Double-click the power button quickly, the display will appear lightning mark, each start will have 0.2 seconds 10V output and then return to the display voltage. Rotary battery tattoo pen machine built-in coreless motor, 10V - 10000RPM. More powerful, low skin loss, fast coloring, no hot for long time working. Eccentric wheel system make tattoo machine get stronger and better for liner and shader. Material : Aluminum alloyMotor : Coreless MotorStroke : 4.5mm 4.2mm 3.8mm 3.2mm 2.7mm 2.3mmNeedle depth: AdjustableNeedle type : Compatible most cartridge needlesThree-speed memory mode : M1 M2 M3 three sets of memory voltages, free switching of memory gearsWorking time ：8 HoursBattery capacity : 2000mah large capacity batteryCharging time: 2 hours,Type-C fast chargingOutput voltage : 4-12V,Output current : 1.5AInput voltage : DC 5V/1AProduct size : 140mm*30mmProduct weight : 225gDispaly : HD LCD displayPackage Include：1 x Tattoo pen1 x Wireless power supply20 x Mix tattoo needles（5*3RL,5*5RL,5*7RM,5*9RM）2 x Tattoo Practice Skin1 x Power cable2 x Bandage1 x Tattoo gloves5 x Tattoo transfer paper10 x Clip Cord Sleeves10 x Doll ink cup10 x Heart ink cup