Includes a single lever power switch that locks the pendulum in the off position for added durability and the built-in magnetic pivoting bracket mounts easily on metal surfaces; has a high-visibility green beam. +/- 1/8" accuracy at 30 ft;1m drop rating; IP54 rating; locking pendulum; integrated magnetic bracket for easier set-up; green beam for visibility; working range: 100 ft; visible range: 100 ft. Includes: (2) AA batteries and instruction manual.