ADJUSTABLE 4.5MM AND 5.0MM STROKE ·Voice Control· Say: Hey Seven! 10 kinds commands: switch gears, change mode, start/stop and so on. ·Voltage Mode· When increase voltage, speed and frequency will increase accordingly. It’s most regular mode for pen machine. ·Speed Mode· Maintain voltage at 9v, but can set speed from 180rpm to 9000rpm (frequency 3hz to160hz). Under speed mode, you can maintain big power while choosing your preferred speed. ·Free Mode· This is the ultimate mode, freely customize voltage and speed to create your personalized setup: “4v to 12v” “3hz to 150hz” and “180rpm to 12000rpm”. You can decide power and speed freely and separately. ·Motor· Hall Sensor Intelligent Frequency Convention External Rotor Brushless Motor ·Pusher· CNC Integrated Engraving Strong Structure Small Deformation High Power Transmission Efficiency Improve Tattoo Efficiency ·Screen· IPS Screen High Screen-to-Body Ratio Comprehensive Information ·Base· Rolling-Proof Design Magnetic Switch Sports Car Styling ·Battery&Adapter· 2000mAh Big battery Smart Power Cutoff ·Strokes&Colors· 3.5mm and 4.0mm Black, Blue, Gray, Silver, Pink and Gold ·Package Included· T7 MAX Wireless Pen Tattoo Machine x1 Type-C Cable&Adapter x1 Tattoo Machine Utility Bag x1 Replacement Grips x2 Smart Base x1 Maintenance Tools x1 Warranty Card x1 ·Basic Information· Model:T7 AS Warranty Period: 1 Year