Locates PVC plastic pipe, iron or steel pipe, electrical cable, ceramic pipe, telephone cables, asbestos cement pipe, conduits, concrete pipe, fiber optics to 10ft. deep. Detects magnetic fields, and aligns itself with pipes, etc., when found. No batteries. U.S.A. Depth ft. 8-10, Battery Included No, Locates PVC plastic, iron or steel pipe, cables, conduits. Detection Depth 8ft. Fiber Optics 10ft.