Smart-TRAK™ Series The SitePro ST 102 features Smart-Search Technology" (patent pending) with North/South polarity that provides pinpoint accuracy around fences or other large metal objects. Smart-TRAK™ is the smart choice for locating manholes, steel covers, septic systems, corner survey markers, cast iron pipes, iron valves, re-bar, and other ferrous metals underground. KEY FEATURES: Smart-Search Technology" (patent pending) indicates polarity and eliminates interference Balanced Ergonomic Design for easy single-hand operation 1.5x More Sensitivity than leading brands Large Visual Display for visual search results Waterproof Tube & Tip for locating even in the toughest environments and weather conditions Robust, Water-Resistant Housing protects your locator on tough jobsites High-Grade Waterproof Speaker for superior acoustic output 7 year warranty Includes: Batteries, Padded Carrying Case, User Manual