The Spectra Precision GL622N Dual Grade Laser is a comprehensive package that includes everything needed for a variety of construction and surveying applications. The GL622N is a highly precise dual grade laser with a range of ± 25% in the X and Y axis, making it ideal for site preparation, earthworks, and grading projects. The package includes an HL760 receiver for easy and accurate grade checking, as well as the RC602N remote control for convenient operation from a distance. Additionally, the package includes a magnetic mount, tripod, and 15-foot grade rod, providing everything needed for quick and easy setup and use. The GL622N is an excellent choice for those looking for a comprehensive solution to their construction and surveying needs.