Are you seeking for a reliable tattoo machine to mark tattoos on your skin? We are excited to recommend this Aluminum alloy Tattoo Machineto you. It offers you a safe and quick way to mark your skin. With superior material, stable performance and rapid thermal diffusion, the tattoo machine can work for long hours at a stretch. In addition, it is very cost-effective, which is suitable for each wise consumer who doesn’t compromise on the quality. It is excellent for professional use. It will be your ideal choice FEATURES New and high quality Made of superior composite material, the spring is high-elastic and anti-fatigue for long-time working Pure iron armature bar has excellent magnetic conductivity With stable performance and rapid thermal diffusion, it can work for 8 hours at a stretch without heat High-quality 2pcs 8 wraps coils is specially designed for tattoo machine Perfect for any tattoo artist who is looking for a good quality tattoo machine Specifications Model HB-LHJD017G Frame Material Aluminum alloy Construction Casting Purpose recommended Liner or shader Coils 8 wraps coils; 28mm / 0.11in Working Voltage 4-8V 6-7V the best Starting Voltage 4V Optimum voltage 5-8V Running Speed 7200 R/ Minute Capacitor 47μ A-Bar Material Bronze 38mm x 4.8mm Contact material Pure copper Front Binder Material Bronze Rear Binder Material Bronze Spring Thickness 0.5mm rear spring & 0.5mm front spring Weight 4.41oz / 125g Dimensions 4.17 x 3.54 x 1.38 / 10.6 x 9 x 3.5cm Color Gray Package Includes 1 x Tattoo Machine Extra Info Extra Info Why the machine cannot start? 1.The elastic rod does not touch the contact point of the inclined spring plate: Loosen the screw of elastic rod, rotate down the elastic rod to the contact point, and then regulate the rod to the right position. Finally tighten the screw to lock the elastic rod. 2.The switch is off: Connect it to 220V AC power supply and turn on the switch. The indicator turns red. 3.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 and should stop at 10V-12V 4.The elastic rod touches the contact point of front spring so tightly that the machine cannot start and maybe will cause short circuit. Turn on the switch and the indicator turns green (No voltage): Loosen the screw of elastic rod, rotate up the elastic rod and then rotate it down to the contact point, and finally regulate it to the right position. Restart the power, the machine will be ok. 5.Disconnection: Check the foot switch and the plug to avoid disconnecting the cord from the joint position caused by careless jerk. 6.Broken wires: The wires be susceptible to damage while washing and sterilizing the tattoo machine, so please confirm the wires condition and have the broken ones welded before use. 7.Problems of plugs and foot switch: Turn on the switch and check whether the plugs of cord and foot switch are broken or not, when short circuit happens (green indicator). The damaged ones should be welded with electric welding rod.