The Stabila LAX600 Green Line Multi-Line Laser provides 3 x 360 lines for exact layout work. High performance diodes allow for direct work on bright, fine laser lines. The Laser has a quick self-levelling function, thanks to the pendulum technology designed for the construction site. The body design makes it extremely robust, waterproof, and dustproof in accordance with IP65. Specification Level Accuracy & plusmn 0.03mm/m. Self-Levelling Range & plusmn 4.0. Measuring Range of Visible Lines 40m. (131.2ft). Laser Class II. Protection Class IP65.