Size: 75mm * 32mm * 55mm (2.95in*1.26in*2.16in) Weight: 63g (0.14lb)
Lithium battery capacity: 1650 mAh, can support you 4 hours working time when power off, power supply problem, or you need to work outside
Very light weight, no fatigue fro long time use.
Have RCA and DC sockets can be choose, suit all tattoo machine pen.
Voltage adjustable, Can display the remaining battery. Charging time: 1.5-2 hours.