Mast Halo Tattoo Power Supply.
Output voltage: 1.5v–12v; 0.1v voltage adjustment increments.
360 degree rotational abilities on the OLED white display screen; this means you can adjust the orientation and route your cables any which way based on your workstation and personal setup.
Compatible with traditional coil and rotary tattoo machines.
 
Specifications:
Input Voltage: AC100-240V 50/60HZ DC12/2A
Output Voltage: 1.5-12V 2A
Power: 24W
Weight: 121g
Size: 90*90*43mm