100% New quality
Specifications: RCA / DC interface
Product accessories: USBType-C charging cable
Product size: 5.6cm*4.7cm*3. 6cm
Product weight: about 55g
Charging line length: about 120cm
Life time: 5-8 hours Working voltage: 4V-11V
Battery capacity: 1950 mAh
Product Description: Wi-Li power supply for LED digital display Built-in lithium battery can be recharged for convenient use and energy saving, charging for about 3 hours can be used with motor machine for 5-8 hours
Press and hold the '+' button for 0.8 seconds to turn it on, long press the '-' button for 0.8 seconds to turn off the '+' and '-' buttons for each press of 0.1V.
Optional RCA/DC interface, power supply cable USB interface charging at any time to display 0-100 for power detection display, when the battery is too low, the LED digital flashing prompts, please charge in time, LED digital frame is circled when charging, fully charged LED number The middle is a horizontal.
Package includes: 1pcs tattoo power supply