The passionate guy loves it! This Zinc-Alloy Rotary Liner Shader Tattoo Machine Red 003 is balanced, high-strength, low-vibration frame and easy to operate. With this machine you can save hours and use it to print high quality and clear tattoo design, low price. FEATURES New and high quality Can be easily tuned as a liner or a shader Strong, hardworking, normal working 8 hours. A special process, the dry little voice Fast shading Using high temperature heat treatment, unwarming for long time using Both liner and shader Its steady body and smooth vibration will make your tattooing much more professional This tattoo machine is a pro-quality beauty product with everything you′ll need to tattoo Perfect for any tattoo artist looking for a good quality tattoo machine Specifications Model HB-MDJ003 Construction casting Frame Material Zinc Alloy Recommended Use Multi-use ( Liner or Shader ) Capacitor 47μ / 22V Working Voltage 7-9V Starting Voltage 5V Optimum voltage 5-8V Running Speed 2500 R / Minute Contact material Pure copper Binder Material Brass Color Red Length 2.76 inch / 7cm Height 2.36 inch / 6cm Diameter 1.18 inch / 3cm Weight 6.28 oz / 178g Package Includes 1 x Zinc-Alloy Rotary Liner Shader Tattoo Machine Red 003 Extra Info Why the machine cannot start Malfunction Solution The spring pole does not touch the contact point of the slanting spring Loosen the screw of spring pole; rotate down the spring pole to the contact point, and then rotate it through 180°-360°. Tighten the screw to lock the spring pole The switch is off Connect 220V AC power supply and turn on the switch. The indicator flashes red Both of Adjustable knob (VOLTAGE) and V meter hand are in 0 Rotate the adjustable knob clockwise slowly. Simultaneously, V meter hand is also moving. V meter hand should stop at 10V-12V The spring pole touches the contact point of front spring so tightly that the machine cannot start, which maybe even cause short circuit. Turn on the switch, the indicator flashes green (No Voltage) Loosen the screw of spring pole; rotate up the spring pole for readjustment to the contact point, and then 180°-360° rotation. The indicator is green after it is short-circuited. Turn off the switch and then on again, the indicator will be red. Disconnect the cord from joint position owing to careless jerk during the daily working Check the foot switch and the plug The wires are broken while washing and sterilizing the tattoo machine Confirm the broken wires condition and have them welded Turn on the switch when short circuit happens, and the indicator turns green Check whether the plugs of cord and foot switch are broken or not. The damaged ones could cause short circuit, which should be welded with electric iron.