The Stanley FMHT177357 FATMAX X3R Multi Line Laser is a robust and accurate measuring tool designed for professional use. It projects three bright red 360° laser lines, providing one horizontal and two vertical lines for precise leveling and alignment tasks. With a working range of 30 meters (50m with detector) and an accuracy of ±0.3 mm/m, this laser ensures reliable measurements. It features a self-leveling range of ±4° and a pendulum lock for safe transport. The laser is powered by a 10.8V Li-Ion battery, offering extended runtime. Its durable, overmolded housing provides an IP54 rating for dust and water splash protection, making it suitable for demanding job site conditions. Ideal for various construction and installation applications requiring multi-directional leveling.