Craftsman CMHT77633 3/4" Depth Stud Finder $7.98 at Amazon

【ADVANCED ACCURACY】 Stud mode detects wooden beams and joists up to 1.5 inches (38 mm). Metal mode detects pipe, rebar, aluminum up to 4.0 inches (100mm) and non-ferrous metals up to 3.15 inches (80mm).Live AC wires up to 2 inches (50mm). Accuracy rate increased from 80% to 98%!, 【UPGRADED LCD SCREEN & THREE SIGNAL LIGHTS 】 Instead of the traditional LCD screen, TACKLIFE DMS03 stud sensor equipped HD DISPLAY SCREEN which could show scan modes, detection depth, detection strength, battery level clearly. The signal light shows green when the detector get ready, as getting closed to the center of stud, the indicator will turn yellow to red., 【AUTOMATIC CALIBRATION & AUDIBLE WARNING】 The wall detector could calibrate automatically – no further action required! The fast detection saves users time and efforts, making the task completion easier. Audible warning which helps you avoid drilling or hammering into a water pipe or electrical wire., 【USER-FRIENDLY】 This metal detector with ergonomic design, which satisfying your DIY and home projects; the cotton on the back has prevented the damage caused to the wall. Whether you are a professional, homeowner or a DIY enthusiast, you can find great use in this electronic stud scanner., 【WHAT’S INCLUDED】 1 x TACKLIFE DMS03 stud finder, 1 x User Manual, 1 x 9V Battery, 1 x Packing Bag, 2 year warranty. Our after-sales customer service is available in any time. Please feel free to contact us for help.

The Most Accurate Wall Scanner- Tavool specializes in stud finder for years and adopts the most Advance Sensors Technology for accurately & quickly locating studs wood metal AC wires! In all modes, this wall scanner always detect and indicate the Live AC Wire. Whether you are a professional, homeowner or a DIY enthusiast, you can find great use in this electronic stud scanner, 4 IN 1 Multiplication Plus Deep Detection - This digital wall scanner includes four different scanning modes for woods, beam, joist, metals, AC wires and deeply embedded objects behind floor, ceiling, wall. Stud mode detects wooden beams and joists in drywall up to 1.2 inches. Metal mode detects pipe , rebar, aluminum and copper up to 1.57 inches.Deep mode detects wood and metal parts located up to 1.77 inches while 85~240 volt AC current for voltage and live electrical lines up to 2.36 inches, Upgrade Design of LCD Screen - Displaying the Desired Stud Material As Well As the Precise Position of the Stud - The Tavool digital stud scanner features large LCD display together with the big sound to detect the accurate location of stud metal Ac wires. When find the material, the LCD display will indicate the direction and the intensity of sound tells whether you are more close to the target. The fast detection saves users time and efforts, making the task completion EASIER, Automatic Calibration and Ergonomic Grip for Comfortable Use - Turning on the stud finder and Completing Calibration. The automatic calibration before using provides users with maximum reliability and accuracy. Then put it on the wall. The wood beam finder will flash once it has picked up the edge of a stud.The ergonomic design of this wall stud finder makes it comfortable to hold from any angle, Professional Design with Top Quality - Tavool has been dedicated to Research and develop stud finders for many years, and we have a professional team and mature productions process. This stud joist finder wall detector can quickly locate the metal wood AC wire that are hidden in the walls, floors and ceilings of your house, help you find the exact stud while installing TVs, cabinets, garage shelves etc.