Original Tsunami Tattoo Power Supply By Laura Pauline. 2A 

On this power supply has already been said of all positive by more than 10,000 tattoo artists around the world have purchased.
REAL 2 Amp Switching Power Supply 110-230 Volt. automatic Multi-turn precision potentiometer.
Switching power supply adjiustable 2 Am
In: 112/230 Vac. automatic
Out: 4-14VDC 1.6 amg
Dimensions: 9.5 cm x8, 5x2, 5.