EZ Tattoo Machine Kit Professional Lola Air Permanent Makeup Tattoo Pen with 3Pcs Battery Power for Beginners and Women ArtistsLola Air wireless tattoo pen comes with 3 batteries (1500mAh) for a total working time of up to 6 hours. Each battery lasts for up to 2 3 hours and takes approximately just 1. 5 hour to charge fully. Built with EZ customized coreless motor, 2. 7mm stroke length, work well for liner and shaders. Only 85. 4g (3OZ), the lightweight design keeps the hand comfort and reduces the hand fatigue which allows the artist to work perfectly. The complete kit