The ergonomic design makes it one of the most comfortable pen machines out there. The vibration and noise are minimal while the shape of the machine allows you to hold it and work with it for many hours. The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. 6 Different Adjustable Strokes Available: Whether you're working with shades, need a powerful all-rounder, or bold lining, ambition mars-u is the ideal choice. As with all our pen machines, it can be used with all major brands of ink cartridges. Material: Ambition rotary battery tattoo pen machine made of aluminium alloy frame and CNC carved. Motor: Coreless Motor. Motor Speed: 10V - 9000RPM Output Voltage : 5V-12V Operation time: about 6 hours Single Battery Capacity: 1800mAh Charging time: about2 hours 6 Adjustable Strokes: This tattoo machine support 2.2mm, 2.6mm, 3.0mm,3.4mm,3.8mm and 4.2mm stroke length, change the stroke on the fly just by turning the adjustment knob, great for applying soft black and grey Battery Capacity is 1800mAh,output stable. 8V output voltage can work for 6 hours, only need 2 hours to fully charge. When the battery runs out,the RCA adapter can be replaced to continue working.The battery has a visual LCD display that clearly displays working time, voltage and remaining power. This tattoo machine support 2.2mm, 2.6mm, 3.0mm,3.4mm,3.8mm and 4.2mm stroke length, change the stroke on the fly just by turning the adjustment knob, great for applying soft black and grey,packing colour and blending and lining. Ambition rotary battery tattoo pen machine built-in coreless motor, 12V - 10500RPM. More powerful, low skin loss, fast coloring, no hot for long time working. The Ambition MARS-U pen machine is compatible with most cartridge needles types. Ambition rotary battery tattoo pen machine made of aluminium alloy frame and CNC carved. Length:137mm/5.39inches, diameter: 32mm/1.25inches, weight:217g/7.65oz. Built-in stainless steel high-grade positioning steel ball to adjust the needle position with , adjust the gear position accurately. Ambition Tattoo Machines AmbitionMARS-U Tattoo Pen Add to Cart Ambition Seher Tattoo Pen Add to Cart B0C1G6J5DT Add to Cart Ambition Vibe Tattoo Pen Add to Cart AmbitionZetton Tattoo Pen Add to Cart Ambition Troll Tattoo Pen Add to Cart Ambition Tattoo Machine Buying Options Customer Reviews 4.5 out of 5 stars 148 4.4 out of 5 stars 55 2.8 out of 5 stars 2 4.0 out of 5 stars 41 4.4 out of 5 stars 26 4.3 out of 5 stars 57 4.2 out of 5 stars 8 Price $219.99$219.99 $219.99$219.99 $128.99$128.99 $160.99$160.99 $219.99$219.99 $99.90$99.90 — With adapter: ✔ ✔ ✔ ✔ ✔ ✔ ✔ Battery Capacity: 1800mAh 2400mAh 2000mAh 2400mAh 2400mAh 1950mAh 2400mAh Output Voltage : 5V-12V 4.5V-12V 4V-12V 4.5V-12V 4.5V-12V 5V-12V 5V-12V Motor: Coreless Motor Coreless Motor Coreless Motor. Custom brushless motor Custom brushless motor Coreless Motor Custom Coreless Motor 2A ✔ ✔ ✔ ✔ ✔ ✔ ✔ Ambition Tattoo Needles Cartridges Tattoo Needles Cartridges Tattoo Needles Cartridges Tattoo Needles Cartridges Tattoo Needles Cartridges RL More suitable for secant lines Tattoo Needles Cartridges RS For fogging small areas Tattoo Needles Cartridges RM Suitable for large areas Easy to color The lines are highly saturated Easy to use Ink absorbs well Of 316 medical stainless steel minimal skin damage