Arena Wireless Tattoo Battery RCA Connection Oled Display Voltage Screen for Tattoo Pen Machine

Long press the power button to power ON/OFF the tattoo machine
Quickly double press the power button to activate start-up function.
when you going to start the battery and lightning lcon on display will appear.
Press power button one time to start/pause the battery,Pedal icon will indicate the working
Big battery catacity 1800mAh, can use for 10 hours

Specification:

Weight: 70g
Diameter: 32mm
Length: 73mm
Battery Capacity: 1800mAh
Working Voltage: 4-12V