Premium Ink Permanent Wireless Tattoo Machine with Powerful battery. The battery capacity is 2000mAh and it can work up to 8 hours when fully charged, 2 hours is enough for a full charge, and it can also work when connected with a USB cable. Extremely easy to start. Press Start - adjust voltage - get to work. Everything is super simple and easy, there is no need for additional operations, you can immediately go into the working state. Operating voltage 5 - 10 V Needle stroke 3.5 mm Needle protrusion: 0 - 4.5 mm Recommended voltage for lining: 7.5V-9V Recommended voltage for shading: 6 - 8 V Works great for any tattoo style. The Ink Permanent SABER is a cordless, rechargeable tattoo pen with an advanced transmission system that delivers smooth, soft, quiet operation and perfect results. The Ink Permanent SABER wireless tattoo machine has an LCD screen for precise and easy voltage adjustment. Ink Permanent Saber Battery rotary tattoo machine provides the freedom of tattooing anywhere you want. Use it in your parlor or on the go! The machine is equipped with an awesome one-click start function. The power, charge, and working hours are displayed on the screen. Shows voltage (V) Selection 1 shows the current voltage of the tattoo machine. Shows battery charge (%) Selection 2 shows the level of the battery charge that is left. Shows the running time (minutes) Selection 3 shows the time in munites of working since the start. The world's fastest Type-c connector allows you to charge your tattoo pen in two hours. If you own this machine, you provide yourself with high-quality and professional equipment. Permanent makeup or tattoo - this model is suitable for all types of tattoos. The Machine comes with 3 different sizes aluminum grips and 2 disposable grips Grip S Weight 28g Dimeter 27mm Works great for people with a small hand and for those who do like not bulky tattoo pens. Ideal for shadows and shading. Grip M Weight 45g Dimeter 32mm The standard size of the grip, installed on the handle in the original packaging. Grip L Weight 62g Dimeter 34mm Designed for artists who used to to work with wide handles. Disposable Grip M & L Disposable Grip M: Weight 25g Dimeter 32mm Disposable Grip L: Weight 31g Dimeter 34mm