Laser Levels : Self-leveling Cross line Laser Beam 1 Horiz. & 2 Vert., Laser Diode class II, 623nm, below 1mw, Accuracy + 1mm/5m, Magnetic Compensator, working range 100m, Working temp. -10 deg cal to +50 deg cal.Self-leveling Cross line Laser- ML312 Beam 1 Horiz. & 2 Vert., Laser Diode class II, 623nm, below 1mw, Accuracy + 1mm/5m, Magnetic Compensator, working range 100m, Working temp. -10 deg cal to +50 deg cal. Main body, tripod can be collected into instrument carrying box, easy to carry