Bronc STAVES Wireless Tattoo Pen

color: Black, Gray, Red, GREENWeight: 190 grams(Pen with battery)Battery capacity. 1800 mAh Dimensions(O X L): 27*135 mmSupport work time: 4.0hour-7.0hour (Test Results)Charging time:2-2.5hour Type-C Fast Charge 0.1V level control 5.0V-12.0V , Voltage output 5.0V-12.0VRecommended working voltage 5.5V-7.5VNominal Voltage 12V, Nominal Torque 6.18mNMNO-load Speed 12000rpm,DC-motor Swiss motorCapacity 4WPush speed 70 to 160 HzMax. efficiency 85%, Vibration value <2.5m2/sReplaceable Stroke 3.5MM, Needle depth: 0-4. mm jump start ：0.2second 9V start pulseEnlarge the display screen to display more comprehensive information.Touch keys are more durable than mechanical keys.Unique hand-held non-slip designOCP Overload and short circuit promptWith overload protection and overcurrent protection( The machine is stuck or short-circuited and the machine is automatically powered off )