The 3-in-1 Detector is an indispensable tool for professionals and DIY enthusiasts alike, combining three essential detection functions in a single, portable device. This versatile detector identifies wooden studs, ferrous and non-ferrous metals, and live AC voltage with precision, making it ideal for locating hidden obstacles before drilling, cutting, or installing fixtures. Dual alert systems - both audible beeping and visual LED indicators - ensure you won't miss a detection, even in noisy environments or poor lighting conditions. The intuitive design allows seamless switching between detection modes, while the included 9V PP3 battery provides reliable power for extended use. Whether you're hanging shelves, running electrical work, or conducting structural assessments, this multi-function detector delivers the accuracy and dependability required for safe, confident project execution.