【7 in 1 Multi-function Detection】： 5 scan modes in stud finders，1/2 inch(12 mm),1 inch(25mm)，1.5 inch (38mm) in wood finder mode. Locate the center and edges of metal scan mode up to 2.3inch (60mm) and detect live unshield AC wires up to 2 inch (51mm)deep. Edge finder designed with tail suction function for all drywall applications by locating nails and screws in wood or metal studs. Stud finder with level can make sure you are in horizon line when you scanning to improve the precise result..【Quick and Accurate Located】：The wall stud finder devotes to favoring user to detect correctly and avoid the hazard happen in advance when you plan to mount TVs, cabinet, garage shelves etc on the wall. This electrical tool is a handheld instrument for RAPIDLY LOCATE the edges and center of metal stud, pipes, AC wire magnetic metals hidden in the ceiling walls and floor etc. Fast detection save user's time and energy, as well as work out efficiently..【Auto Beep Sound Alarming and Scale Display】：The stud finder tool offers BEEP SIGNAL and SIGNAL BAR display in LCD screen. There is short beep sound when calibrate finished. That means you can start the scanning process. When you are closing to edge or center of target you have detected behind wall, it will beep constantly and the signal bar will show up to highest strength when you arrive the centre of stud, pipe, metal, AC wires..【Easy to Operate】：Mode button in central of center finder and SCAN button in left side of stud finder. You can switch between five different scan modes within minutes just through pressing MODE button. Anti-slip handle and big LCD display design aim to improve comfortable and convenience usage experience while scanning. To remember to calibrate wall scanner before each scan that in order to reduce error and inaccuracy in the application, and ensure objects hidden in the wall can be founded..【Wide Use】：This stud detector adopt sensitive chip and advanced technology which can provide the maximum accuracy and reliability for following detection steps. The plaster stud finder & scanners would be friendly for user, no matter you are a professional or newer, it would be a great gift for men, women,boyfriend, husband or DIY enthusiast. It is the most suitable present for Father's Day, Anniversary, Christmas, Birthday.