Adopt self-leveling(sensor leveling),wide leveling range ,high accuracy,high stability
Upright setting:Emit one Horizontal fan and a plumb line,with down dot.
Both indoor and outdoor. 
Horizontal-setting:Emit a plumb fan and one horizontal line.
Direction Scanning.
Left &right spinning.
Slope setting, inclined plane scanning.

Specification:
Leveling Accuracy Horizontal ±20″,V ±20″
Leveling Range ±5º
Measuring Range Diameter: 500m         (With laser detector)
Spinning Speed 60、120、300、600 r.p.m.
Direction scanning: 10°；45°；90°；180°°
Light Source Laser Diode       wavelength: 635nm
Laser Standard Class II 
Remote Distance Approximately 40m indoor,15m outdoor
Working Temperature -20℃-- +50℃(-4ºF-- +122ºF)
Power supply DC 4.8-6V       (4 *AA NI-MH batteries)
Hours in continuous use Approximately 20 hours
Water-proof IP 64
Dimension 60（L）X 160（W）X 185(h)mm
Weight 3.5kg