The SPECTRA PRECISION HV401 Self-Leveling Rotary Laser Level Transit is a high-precision tool designed for accurate leveling and alignment tasks. With an accuracy of 1/16" at 100 feet and a range of 2,600 feet, this device ensures precise measurements for various applications. The red beam color and electronic auto-leveling method make it easy to use and efficient for professionals in the construction and engineering industries. With two beams and advanced laser measuring technology, the Spectra Precision rotary laser level transit is a reliable choice for ensuring precise levels and alignments in any project. Includes Spectra Remote Control and Reciever.