PE8050 – Multi-Function Digital Wall Detector Robust professional detector uses electronic signals to find studs joists conduit and AC current-carrying wire. Features include sound cues and an LED display to provide quick and accurate results. Specifications: Maximum Scanning Depth: – Ferrous metals: 80mm – Non-ferrous metals (copper): 50mm – Copper conductors (live)**: 50mm – Wood: 20mm Auto Off: 5mins Operating Temp: -10degC to +50degC Battery: 1 x 9V (not supplied) Operating Use: Approx 6hrs * Depends on material size of objects and condition of material. * Less scanning depth for wires that are not live. Model #: MK08 EMC Approval