The CST/Berger self-leveling horizontal rotary laser level features Pro-Grade technology in a rugged, co-molded rubber and plastic housing that makes it suitable for the most demanding projects.Application:Outdoors.Range:2,800ft.Accuracy:1/16in at 100ft.Battery Type:D.Battery Included:Yes. * Super-fast electronic self-leveling laser level includes anti-drift capability that ensures accurate results every time. * Working range of 2800ft. when used with laser detector. * Suitable for grading and excavating, concrete forms, machine control, site preparation, marking elevation, landscaping and driveway paving. * Also features single manual grade for grade matching applications. * Includes laser level, target, detector, bracket, 4 D-cell batteries and carrying case.* Also includes aluminum tripod and 8-ft. aluminum rod with ft./inch calibration.