Once you go wireless, you will love Ambition tattoo machine equipment. Experience the freedom of going wireless by turning your favorite tattoo machine into a wireless machine. Material: space aluminum alloy Needle Stroke: 2.5mm/3.5mm/4.0mm/4.5mm Motor: Total 4 brushless motors, not only long lifespan,Durable motor Precise parts and professional design Brings longevity and quiet running A direct drive tattoo machine pen that offers 4 stroke cams, support multiple tattoo styles. Motor Speed: 12V - 10000RPM Power Supply: 4.5-12 Volts; 73-195 Hertz The ambition vibe machine displays your machine speed in both Hertz & Volts. When you adjust the volt, the hertz will be changed too. Hertz allows you to know the current speed of your machine more precisely. Single Battery Capacity: 2400mAh (4800mAh for 2 batteries) Charging time: about 3 hours One battery operation time: More than 7 hours (14 hours for 2 batteries) Output Voltage : 4.5V-12V, stitch frequency:73 -195 Hz LED display content: output voltage range + working time + battery usage+Hertz+Ampere Instructions for use: - Power ON/OFF: Touch "O" key for 3 seconds - Output pause / resume: Touch "O" key to pause the output, and touch it again to resume the output(the resume voltage is the working voltage before the pause). - Adjust output voltage: Touch the "+" or"-" key to adjust output voltage. The voltage can be adjusted through button (+) and (-) respectively with the voltage of 0.1V on each touch. Automatically lock the display in 3 minutes, press and hold the power button to unlock. Tattoo Power Supply: The LED display will show the remaining power percentage. Fast charging through the matching fast-charging cable can usually be fully charged about 3 hours. Notice: The touch button will be more sensitive than the ordinary button, try to avoid touching the switch button when changing the needle or adjust the needle length. Package Include: Single Battery：1 X wirelss tattoo machine, 1X RCA adapter, 1 X extra 2.5mm stroke cam with motor ,1 X extra 3.5mm stroke cam with motor, 1 X extra 3.5mm stroke cam(No motor), 1 X extra 4.5mm stroke cam with motor,1X fast charging cord,1X RCA clip cord,2X Disposable sponge grip cover,20pcs pen bag,1X suitcase. Dual Battery：1 X wirelss tattoo machine, 1X extra battery, 1X RCA adapter, 1 X extra 2.5mm stroke cam with motor ,1 X extra 3.5mm stroke cam with motor, 1 X extra 3.5mm stroke cam(No motor), 1 X extra 4.5mm stroke cam with motor,1X fast charging cord,1X RCA clip cord,2X Disposable sponge grip cover,20pcs pen bag,1X suitcase.