Features:Quick and Easy Tester: The GMS120-27 Wall Scanner quickly detects live wires, metals, and wood and steel studs behind drywall, making it indispensable for renovation and construction projects. Precise Tester Results: This scanner features a color-coded marking hole, center indication, and LEDs for material identification, ensuring clear and accurate tester results every time. Stud Finding Capability: Efficiently locates wood and steel studs behind drywall with center identification, providing more precise Test and aiding in accurate drilling and nailing. Robust Construction: Built for jobsite conditions, the GMS120-27 has an IP54 rating for protection against dust and water, and comes with a shock-absorbing rubber casing. Wide Test Range: Capable of detecting ferrous metals up to 4 inches (100mm), non-ferrous metals up to 4.75 inches (12cm), and copper wiring up to 2 inches, making it versatile for various test needs. Specifications:Model: GMS120-27 PROFESSIONALHeight: 1.3 inc