Check the listing for details. ProSensor M70 Center and Edge Stud Finder | Franklin sensors |FSM7002HD. Condition: New. Listed at 27.12 USD. Easy operation with no calibration requiredSuperior accuracy provided by 7 precision sensorsIntuitive display shows center and edges of stud simultaneously With a Franklin Sensors stud finder, you have the fastest, easiest, most accurate stud finder on the market. To operate the ProSensor M70, simply press and hold the button then place it on the wall and go. There is no calibration procedure. You can instantly find studs. Once you have it on the wall, the LEDs show you right where the stud is. When you move the unit back and forth, the ProSensor M70 continues to track the location of the stud which makes it easy to instantly see the edges and 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 ProSensors M70 has 7. with Franklin Sensors' patented technology, you can find stud positions with unbeatable accuracy. The wide display on the M70 allows you to see the full width of objects such as single studs and double studs. The ProSensor M70 is the perfect tool for many projects ranging from installing towel rods and curtain rods to hanging pictures. Once you try the ProSensor M70, Franklin Sensors stud finders will quickly become your favorite.Accurate: more sensors is equal to more accuracy, the ProSensor M70 has 7 sensors, conventional stud finders have 1 or 2 sensors, with more sensors, Franklin Sensors stud finders are the market's most accurate and best stud finders the ProSensor M70 has a maximum detection depth of 1.5 in. the precision LEDs are spaced every 1/2 in. and track the location of studs while displaying the center and edges simultaneouslyEasy: 1 mode finds it all it finds wood studs, metal studs and the ProSensor M70 stud finder auto-selects the most accurate mode for changes in material or depth, no toggling between standard-scan and deep-scan, also, with Franklin Sensors stud finders, no calibration is required. Just press and hold the button to begin your scan, additionally, you can start over a stud, unlike other stud sensors that give false readings, it is undoubtedly the most intuitive stud finder on the marketShows the center and edges of studs simultaneously: the ProSensor M70 saves you time by showing you more of what is behind the wall, it displays the center and edges of studs simultaneously, shows double studs and irregular configurations found in older homes that other stud finders cannot detectNo calibration required: to operate, just press and hold the button to instantly begin your scanDetects wood and metal studs: the ProSensor M70 will identify any change in density - wood or metal no extra buttons or togglingDurable: designed for all users from homeowners to DIY enthusiasts to professionals, the ProSensor M70 stud finder is accurate and durable, it saves you time while still being tough enough to withstand being dropped off a ladder or tossed into a toolbox