Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder Deep Sensing Technology- The Profinder 5000+ Has More Sensor Pad Area So That You Get A Deeper Scan One-Step Operation- Just Press Button: When Placed On The Wall, The ProFinder 5000+'s LED Lights Instantly Indicate The Location Of Studs 13 Sensors- The ProFinder 5000+ Has 13 Individule Sensors Compared To 1 In Conventional Sensors. Each Sensor Provides An Individual Scan So Every Stud Is Correctly Identified. High Accuracy- By Using Multiple Sensors, The ProFinder 5000+ Gives You Accurate Readings Every Time. Finding The Center Of The Stud Is Quick And Easy. Built In Spirit Level and Ruler Help with Level Line Marking On Walls.