• With the ProSensor M10, you have the fastest, easiest, most accurate center stud finder on the market. • To operate the ProSensor M10, place the unit firmly against the wall, then press and hold the button. The LEDs will quickly illuminate indicating it is ready for scanning! • When scanning, the LEDs show you right where the center of the stud is. • When you move the unit back and forth, the LEDs on the M10 will illuminate in sequence until the top LED turns green - pinpointing the center of the stud. • Franklin Sensors stud finders are the most accurate stud finders because they have more sensors. • Other stud finders typically have only 1 or 2 sensors. The M10 has 3. • With Franklin Sensors’ patented technology, you can find stud centers with unbeatable accuracy. • To prevent false readings, always place the unit on the wall before pressing the button. As you scan, ensure the unit never lifts but is continuously pressed against the wall. • The ProSensor M10 is the perfect tool for many projects ranging from hanging pictures to mounting curtains and hanging shelves. • Once you try the ProSensor M10, Franklin Sensors stud finders will quickly become your favorite. • Franklin Sensors stud finders are proudly made in the USA.