Simple & Beginner Friendly-Light weight ; Easily adjusting the needle length Durable Aluminum Construction - Made of aluminum alloy which features rust and corrosion resistance Dual-use Tattoo Tool - Works for both lining and shading to make beautiful tattoo patterns Low Noise & Vibration - Brushless DC Motor with 9600rpm speed; Lower noise and vibration than traditional tattoo gun Great Compatibility - RAC cord; Working voltage of 6 to 10V; Compatible with most of cartridge needles