Bosch DMD4K Digital Multi-Detector Kit Bosch Power Tools and Accessories is one of the divisions within the Robert Bosch Tool Corporation, which is one of the largest power tool and accessory manufacturers in the world. Bosch provides a complete line of corded and cordless power tools and accessories engineered to survive any jobsite and allow professionals to take control of their work. Bosch DMD4K Digital Multi-Detector Kit Features: • Illuminated Ring around marking hole changes from green to red to indicate detection • Zoom Feature in Metal Mode - Enhanced precision in detecting small objects, locating centers of large objects, and distinguishing between close objects • Multi-Functional Detection of ferrous and non-ferrous metals (rebar, studs, and pipes), wood studs, and live wiring • Deep Metal Detection Capability Detects steel up to 4"" deep, even in concrete • Informative LCD Display Indicates mode, detection strength and more • On-Tool Marking Pencil Storage Accepts standard pencil width • Audible Detection Signal Easily switches on and off • Ergonomic Soft-Grip Area For sure grip and comfort • Autocalibration in Metal Mode Metal scan can be started at any location • Distinguishes between ferrous (magnetic) and non-ferrous (non-magnetic) metals • Includes:    • Carry Case with Belt Loop    • 9V Battery    • 2 Marking Pencils Bosch DMD4K Digital Multi-Detector Kit Specifications: • Model Number DMD4K • Length 8"" • Weight (lbs.) 8.5 oz. • Max Detection Depth Copper Wiring (120V Hot/Live): 2""/50mm • Engineering Number 0601010010 • Max Detection Depth Non-Magnetic Metals (Copper, Aluminum, 300-Series Stainless Steel, etc.) 3-1/8""/80mm • Max Detection Depth Wood Substructures (Studs) 3/4""/20mm • Max Detection Depth Steel and Iron 4?/100mm • Dimensions 8"" x 3-1/4"" x 1-3/16"" (204 mm x 83 mm x 30 mm) • Power 9V Battery • Country of Origin Czech Republic"