The Extreme Horus rotary machine is much quieter and vibrates less than conventional tattoo devices. But it still has high puncturing power and frequency 10000 Rpm. It employs a coreless motor and operates using a working voltage range of 6v up to 9v; it should not surpass 9v during operation, Suit for Shading, Coloring. Specifications: Material: Copper with 24K Gold Layer Weight: 113g Motor: Coreless motor Voltage: 6-9V Stroke Length: 1-5mm