Specification:
Accuracy： ±1mm/7m
Self-leveling range： ±4°
Working distance： Radius: approx. 10m (indoors),Radius: approx. 50m(using the detector)
Line laser wavelength ：635nm×8( 4V & 4H)； 650nm×1( Down point)
Safety Class: less than 1mw（Class II）
Working temperature：－10℃--＋45℃
Power： 6V(4*AA batteries)，or AC adapter

Continuously working time: Approx.6 hours（All diodes light）
Weight： 1.45kg