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Simple, easy-to-use stud finder for locating wood and metal studs in drywall — perfect for home projects. Locates edges of wood or metal studs up to 3/4 in (≈19 mm) deep — ideal for drywall, plaster, or sheetrock when hanging pictures, mirrors, shelves, or light fixtures.
LED edge indicators and audible alert clearly signal when the stud edge is reached, with red LEDs during approach and a green LED at detection.
SpotLite beam projection shines directly on the wall at the stud edge, making marking fast and accurate for drilling or mounting.
Over-the-stud detection warns if scanning begins directly over a stud, prompting you to reposition the tool for proper edge detection.
Requires a 9V alkaline battery (not included); always use a fresh battery to ensure correct LED signaling and reliable performance.

The Zircon StudSensor Basic SL is a simple, dependable stud finder designed to accurately detect wood or metal stud edges behind drywall. With scanning capability up to 3/4 inch deep, it provides reliable results for hanging pictures, mirrors, shelves, décor, and other household mounting projects. As the tool moves across the wall, red LEDs illuminate as you approach a stud edge, followed by a green LED and audible tone to confirm the exact edge location. The built-in SpotLite beam clearly shines a light on the wall where the stud edge is found, making marking fast and straightforward. To reduce scanning errors, the StudSensor Basic SL includes over-the-stud detection that alerts you if you begin scanning directly over a stud, ensuring you can reposition for an accurate reading. Compact and easy to use, the StudSensor Basic SL operates on a 9V alkaline battery (not included), and using a fresh battery ensures consistent performance on every project.