Check the listing for details. Franklin Sensors ProSensor M90 Professional Stud Finder with 9-Sensors for th.... Condition: New. Listed at 38.93 USD. Franklin Sensors ProSensor M90 Professional Stud Finder with 9-Sensors for the Highest Accuracy Detects Wood & Metal Studs with Incredible Speed, Yellow Free 60 Day Returns Free Express Shipping Description: Features: ACCURATE: More sensors = More accuracy. The ProSensor M90 has 9 sensors and 9 Enhanced Precision LEDs. Conventional stud finders have 1 or 2 sensors. With more sensors, Franklin Sensors stud finders are the markets most precise and best stud finders. The M90 has a max detection depth of 1.5". The enhanced precision LEDs track the exact location of studs while displaying the center and edges simultaneously.EASY: One mode finds it all! It finds wood beams metal studs, pipes, live electrical wires, and the M90 stud finder auto-selects the most accurate mode for changes in material or depth. No toggling between standard-scan and deep-scan. Also, no calibration is required. Just press and hold the button to begin your scan. It is undoubtedly the most intuitive stud finder on the market.SHOWS THE CENTER AND EDGES OF STUDS SIMULTANEOUSLY: The M90 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 detect.DURABLE: Designed for all users from homeowners to DIY enthusiasts to professionals, the M90 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.Uses AA batteries Product Details: Manufacturer: Franklin SensorsPart Number: FSM9002Item Weight: 7 ouncesProduct Dimensions: 5.38 x 2.75 x 2 inchesItem model number: FSM9002Is Discontinued By Manufacturer: NoBatteries Included?: NoBatteries Required?: YesDate First Available: June 13, 2018