Pacific Laser Systems PLS480S Laser Tool with PLS SLD Detector Fully self leveling square, level & plumb reference designed for concrete, foundations, walls, square on slope & horizontal-level benchmarks. Comes With: PLS 480 Laser Pouch Magnetic Wall Bracket Floor Stand Carrying Case Batteries PLS SLD Detector Operating instructions Accuracy: +/- 1/8" @ 60 Feet (+/- 3mm @ 18 Meters) Range: Up to 200 Feet (61 Meters) Leveling: 6