Water and dust resistant for use in most weather conditions, Wire-hung, magnetically dampened compensator, Large, easy-to-use focusing knob and fine adjusent knobs on left and right sides with endless horizontal drive, 360 degrees horizontal circle, Prism for bubble viewing and a top-mounted optical sight for quick reference, 1:100 stadia for distance estimation, Includes > Automatic level, instruction manual with warranty card, hard-shell carrying case