Franklin Sensors ProSensor 710+ Stud Finder with 13-Sensors, Wood & Metal Stud Detector/Wall Scanner, Built-in Bubble Level

Not designed for lath & plaster or non-drywall. Needs 2 non-rechargeable AA batteries, not included, Higher Accuracy, Better Technology: With 13 patented sensors, the 710+ detects studs more accurately, Shows FULL WIDTH of Studs: The wide LED display shows the stud’s center and edges simultaneously, Deep Scan 1 3/5", Always On: the 710+ auto-adjusts for depth through 1 layer of sheetrock/drywall, Accurate and Easy: Just press and hold the button to instantly detect studs. No calibration required