Professional Precision Sensors Profinder 5000+ with Built in Level Construction Stud Finder Construction Precision Sensors Profinder 5000+ Includes Batteries and Built in Level Instantly detects wood, metal, and other hidden objects. One-step operation: Hold button down to turn on. Place on wall LED Lights Indicate Studs Location Has more sensor pad area than conventional stud finders to detect more accurately Dimensions: 7.1 x 3.0 x 1.9 inches (180 x 75 x 48 millimeters)