This 5 in 1 stud finder is a multi-functional wall scanning tool for decoration and construction work. It supports five detection modes to locate wood studs, metal pipes, steel bars and hidden AC live wires inside drywall, plaster and wood walls. High-sensitivity sensor delivers accurate positioning with clear LCD display and audible alert to mark target positions easily. It features calibration function to eliminate wall material interference, lightweight ergonomic body for single-hand operation. Auto power-off design saves battery energy, wear-resistant ABS shell resists daily drops and scratches. It effectively avoids accidental damage to hidden wires and pipelines during drilling, ideal for carpenters, decorators and DIY enthusiasts. Widely used in home renovation, furniture installation and wall punching projects. Reliable detection effect with affordable wholesale price, a practical measuring tool for hardware distributors worldwide.