It can be plugged in directly without a battery
Quantity laser line :12 line
Laser Type: Class II 515 nm 10 mW
Leveling Accuracy: 1mm/7m
Leveling compensation range:30M(green light)
Power Supply:18650 lithium battery pack 1200mAh * 2
Compensator range:3 degree
Vertical: 8 line
Horizontal:4 line
Operating temperature:about 6 hours
Charger adapterI inputt :100-240V AC 50-60Hz
Undervoltage prompt :power light battery
Weight:0.7KG
){kind=link}
){kind=link}