EVOTECH PRO PWM SPEED ADJUSTMENT WIRELESS BATTERY TATTOO PEN MACHINE
Motor: EZ Customized External Rotor Brushless Motor Material: Aircraft aluminum Stroke Length: 3.5mm Operating Voltage: 5 - 12V DC Rpm: 9000rpm ± 10% Switch Frequency: 60 - 150 Hz Needle Protrusion: 0 - 4.5 mm Dimensions(Ø X L): 32/40 mm x 151 mm Weight: 6.63oz (188g)32mm Grip 7.68oz(218g)with 40mm Grip Battery Capacity: 2000mAh Recharging Time: 2.5hrs Power pack Working time: 5-7hours Approx.