The CST/Berger 5-second digital theodolite with vertical tilt sensor offers contractors the best solution for angle and alignment needs.Application:Contractors.Magnification:30Xmm.Range:450ft.Kit Includes:Batteries, rain cover, tool kit, lens cloth and carry case.* Offers contractors the best solution for angle and alignment needs. * Provides 5-second angular accuracy with a vertical tilt sensor that compensates for tilts in the vertical axis, providing for more accurate angle measurements. * Dual digital display with 6-key interface makes instrument easy to use. * Includes optical plummet that allows user to align directly over reference point. * Allows user to view data in vertical angle mode as well as percentage of grade. * Can turn angles in left or right direction.* 30X telescope with 53in. minimum focus; 1:100 stadia ratio.* Working range is 450ft. in radius.* Includes batteries, rain cover, tool kit, lens cloth and carrying case.