NOTE: It does not measure distance! Laser Alignment Point Leveling Line: Designed with bright red beam 100 Ft alignment point and 30 Ft horizontal line for leveling. You can also align plumb with the help of a spirit-level magnet. The line laser can also be used vertically with the help of a level magnet 12 Inch Spirit Level: Made of a heavy-duty aluminum frame is lightweight, easily used in construction work, and helps reduce hand fatigue. Design with 180 bubble vial and one triangular bubble vial with a triangular mirror are handy for horizontal, vertical, or angular applications with quick and accurate leveling. Measurement surface with V-shaped groove for pipe measurements LED Light: Designed with 2 bubble vial LED lights for easier reading in dark workspaces. Long press the red button to turn on/off the light. Class II laser product, output 1mW Anti-shock Magnetic: 2-in-1 laser spirit level designed with over-molded rubber end caps for non-marring leveling and shock resistance; Two milled surfaces with a magnet making it easier to be attached to any iron for easy and hands-free work Application: Ideal for decoration, home furnishings, construction and related working for aligning and leveling, such as measuring locations on a wall, space between hangers, leveling the nails, etc