The STANLEY Laser Distance Measurer TLM50 determines distance up to 15m working range with an accuracy of +/- 3mm @ 10m. Compact and lightweight, the TLM50 has a point and click measurement function and runs with 2 x AAA batteries. Easily capture measurements, especially those that would be difficult to capture with a tape measure. Equipped with a multitude of convenient features that make any tradesman's life on the job easier, the TLM50 is ideal for electricians, contractors, masons, remodelers, painters, architects, inspectors, and builders.