Prosensor M90 Stud Finder with 9-Sensors, Wood & Metal Stud Detector/Wall Scanne
ACCURATE: More sensors = More accuracy. Conventional stud finders have 1 or 2 sensors. The ProSensor M90 has 9, making it the most accurate stud sensing tool on the market. The ProSensor M90 has a max detection depth of 1.5".