Whether you are hanging pictures, putting up a new set of shelves or getting ready to start an addition, knowing where the studs are in a wall can be extremely handy! <b>Tavool Stud Finder is the best choice for locating the studs/metal/ac wires preciously and quickly! </b> <br><br> <b>Tavool stud finder works by detecting density changes in a wall. </b>Tavool wood stud finder adopts the UPGRADE SENSORS to get the greatest accuracy. Moreover, Tavool wall scanner can also help you avoid drilling or hammering into a water pipe or electrical wire <br><br> Before there were stud finders, people have 2 methods to find the stud : 1. Pounded a small nail into the wall until you hit a stud; 2. Use a small pivoting magnet. However, the first one damages the wall and the second magnet technique is slow. <br><br><b>The Electronic stud finders changed all that. </b>Tavool Electronic stud finders gives you an amazingly accurate view into the wall and show you exactly where each stud is. Follows are the advantages of Tavool TH510 stud finder over the normal stud finders in the market:<br> 1.Great accuracy/reliability/consistency<br> 2.Identifies the width of stud as well as the location <br> 3.Easy to read screen and the quick identifiers when you hit a stud <br> 4.Increases the sensitivity to more than 2 inches <br> 5.Upgrade model with 5 scanning modes to meet different needs<br><br> Tavool stud finder is perfect for normal scanning of drywalls and finding joists, beams, and studs in almost all types of stud walls, for example, finding studs on drywalls, plaster wall, finding the beams in the ceiling, floor, locating metal behind walls or other surfaces, even locating metal/screws behind tiles. <br><br> <b>Give it a try and you will get your homework more easier! (Please note: The 9v battery is not included in the package)