1. Liquid crystal digital display2. Regulated， stable current output3. Pro-quality， digital power supply system4. Run two machines from one power supply5. Dual-output to run a liner or shader machine6. Stable performance， no warning for long time working7. Fit for all kinds of tattoo machines8. Durable metal chassis won't break if dropped9. Smooth appearance and exquisite handcraftMaterial: Stainless SteelOutput voltage: 1.5- 16VInput voltage: 60-250VFeatures: hook line design allows tattoo artist use two tattoo machine simultaneously， without having to take down the tattoo machine and re-install， very convenient