100 feet, +/-1/8 inch accuracy Locking the pendulum helps prevent damage to internal components over-molded housing and IP65 water/debris resistance 6.13 inches long x 17.75 inches wide x 12.5 inches high green beam laser technology 3 x 360° automatic leveling range, helpful for the entire room layout 12V MAX* line laser level kit, automatic leveling wireless laser level comes with 12V MAX lithium-ion rechargeable power tool battery platform.Laser Accuracy: plus/-3mm@10m. Full-time pulse mode allows use with detector, maintains full brightness for visibility, and extends range. Class 2 laser with an output power of less than or equal to 1.50mW Tool only (battery and charger not included)