The Bartracker, which use the Pulse induction technique, features a rugged waterproof IP 65 case with a probe storage for easy portability.The battery pack can be recharged inside or outside the gauge. The display screen shows you everything you need to know.The gauge is supplied complete with:Standard search head to meet most of measurement requirements to identify 40 mm dia. bar up to 95 mm depth (approx.), 8 mm dia. bar up to 70 mm depth (approx.), sensing area 120x60 mm, Carry case and instruction manual, Battery pack and charger, Shoulder strap.