Franklin Sensors ProSensor T13 Stud Finder 13-Sensor Wall ScannerProfessional-grade stud finder featuring 13 sensors for superior accuracy compared to standard single or dual-sensor models. Detects studs up to 1.7 inches deep through drywall and displays both center and edges simultaneously, revealing single studs, double studs, and irregular configurations. One-button operation with no calibration required - simply press and hold to scan anywhere, even directly over a stud. Includes built-in bubble level, integrated ruler, and pencil caddy for convenient marking. Uses common AA poundsProductdimensions