The rotary machine has a ultralight Metal performance,high quality coreless motor,used for both lining and shading. this machine features a powerful motor that guarantees reliable, quiet operation without any vibration. The machine has motor 9000 rpm. Three colors can be selected,including Grey blue and pink.How to use:1.Rotate counter clockwise to remove the motor.2.Pay attention to the spring position.3.Align the notch above,rotate clockwise until the mark goes to the upright position..4.The motor casing is an aluminum alloy . Reduce weight. The front frame is zinc alloy. Stable support.Specifications of the tattoo Power Supply:Input Voltage: AC,50-60HzRated Power: 23wMaximum output:18VNet Weight: 145gCubage: 90*87*32.5mmInstructions:1. Voltage adjust: Turn up clockwise,otherwise,turn down,per 0.1v+/-.2. Foot pedal mode:working under switch(light off) or continuous (light on) modes by pressing voltage button.3. None on/off button,power will go into sleep mode automatically after stopping 5 minutes later to reduce power consumption.All display will be closed.Any touch or turn on voltage button will back to working mode.4. Self-protection device:cut off the power automatically under incorrect use and touch switch will back to normal operation,it will keep current stable.Specifications of the tattoo Needles Cartridge:standard high-grade needle make sure of great applicability,appropriate sharpness , get started simply and easy to master, full and smooth lines, to ensure to put on color quickly and small skin damage, widely applicable to all the tattoo artist group.