3D Mode - 5 lines
If the horizontal mode line is needed, please press the button to switch mode to horizontal lines. After switching to horizontal mode, the instrument will self level itself. After the green laser line is stabilized, please lock it.

Main features : 

Vertial accuracy: ±1mm/7m
Horizontal accuracy: ±1mm/7m
Self-leveling range: ±3°
Continous Operating time : ≥10hrs(all lines working at the same time)
Self-leveling time: ＜5s(magnetic damping)
Wave Length: ＜635nm
Packing:Paper Box
Power supply:AA1.5VX3

Package Include:

1 X host

1 X charger

1 X lithum battery

1 X glasses