Specification Brand : CRIOH BulletPoint : High-Quality Materials,comfortable use,durable and long-lasting,easy to use and operate,perfect voltage and speed,Selectivity BulletPoint1 : [ADJUSTABLE VOLTAGE] The power supply offers a voltage output range of 5‑12V with an accuracy of 0.1V, allowing tattoo artists to meet the speed requirements for operating different parts. BulletPoint2 : [CLEAR DISPLAY] Equipped with a large LCD digital display screen, this power supply provides accurate voltage output information. It is lightweight, compact, and easy to operate. BulletPoint3 : [STANDARD INTERFACE] The power supply features a standard interface, making it compatible with most tattoo machines. It securely connects to the tattoo machine, providing stability during operation. BulletPoint4 : [CONVENIENT FOR TATTOO ARTISTS] Say goodbye to traditional power supplies with multiple accessories. This wireless tattoo power supply eliminates the need for power cords, hook lines, and pedals, providing greater convenience to tattoo artists. BulletPoint5 : [LONG BATTERY LIFE] The built-in 1300mAh large capacity battery can work continuously for 4-6 hours under full charge and 5V working voltage. For large area tattoos, you can purchase two power supplies for alternation. Color : Golden RCA ExternallyAssignedProductIdentifier : 3751560886388 ItemName : Wireless Tattoo Power Supply,Wireless Tattoo Power Supply Adjustable Voltage Clear Display for Tattoo Machine (Golden RCA) ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : tattoo-kits Manufacturer : CRIOH Material : Aluminum ModelName : Tattoo Machines ModelNumber : CRIOHgd45a7fwkh-11 NumberOfItems : 1 OutputCurrent : 1 amps PartNumber : CRIOHgd45a7fwkh-11 ProductDescription : Spec: Item Type:Wireless Tattoo Power Supply Material: AluminiumAlloy Size: Approx. 31x50mm/1.97x1.22in Battery: Built in Lithium Battery 1300mAh Output Voltage: 5-12V Adjustable, Adjustment Accuracy 0.1V Power Interface: Interface Charging Port: USB, Type-C Charging Voltage: DC5V /1A Charging Time: 2-3 Hours Duration of Battery Life: When fully charged, the 5V working voltage can continue to work for 4-6 hours