Multiscanner pro sl quickly and easily locates studs metal and hot electrical wiring behind walls floors and ceilings a 4 mode switch makes it easy to change functions while the easy to read display screen spotlite pointing system and audio tone all indicate the location of the targetstud scan mode finds wood or metal studs and joists up to 34 inch 19 mm deepdeepscan mode doubles the scanning depth to 1 12 inches 38 mma wide lcd array indicates an approaching studa full lcd arr