Laser: A horizontal line and two vertical 360-degree lines. Calibrated to a deviation of 3 degrees. Accuracy of 0.2 mm/m. Indoor range up to 30 m. Range in the field with the detector up to 60 m. Pulse mode - The detector emits a sound when it detects a laser. Can be used with 1/4 and 5/8 racks. Form and construction: The set includes a magnetic wall mount, a rubber body, and laser locks for marking corners. 4 AA batteries are included. Tilted marking mode. IP65 protection - resistant to water and dust. Tool usage: Laying floors, tiling, drywall installations, leveling work, framing, as well as window and door installation work and suspended ceiling installation work.