Magnusson 3 in 1 Cable, pipe & stud detector This cordless 3 in 1 materials detector is specially designed for detecting ac wires. ---Batteries sold separately ---Ferrous metals (80mm), non-ferrous metals (60mm), steel frames, copper conductors(live) (50mm) and wood (20mm) ---Guarantee - 5 years Features and benefits ---Bar-graph and numeric indication Specifications Alarm response type Visual alarm Battery name PP3 (6LR51) Detection depth (ferrous metal) 80mm Detection depth (live cable) 50mm Detection depth (non-ferrous metal) 60mm Display LCD Model name/number IM15 Number of batteries required 1 Pack quantity 1 Power source Battery-powered Product depth 28mm Product height 150mm Product width 70mm.