The supply box can be used for two machines with both machines attached at the same time. <br>With durable metal chassis frame instead of other fragile plastic models. <br>Allows tattoo artists to connect a liner machine and a shader machines at the same time (2 clip cords required).<br>The ultra bright digital LED screen display makes this power supply much easier to read as well as giving it a much more accurate readout.<br>Includes a 13 dial potentiometer with 120/220v conversion switch in back. <br>Tattoo machine power supply<br>Input: AC 220V， 110 V convertible<br>Output: DC 1.5-16V<br>Dual output adjustable<br>Dual output: this product can be connected with a liner machine and a shader machine simultaneously<br>Material: cast iron<br>Size: 14 x 11 x 8 cm<br>Output: 1-18V adjustable <br>Display color: black on blue<br>1 x Tattoo Power Supply<br>2 x Clip Cord<br>1 x Foot Pedal<br>1 x Power Cable<br /><img src="http://img6.eachbuyer.com/x13/p59/ha011_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p59/ha011_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p59/ha011_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p59/ha011_4.jpg" />