S50 Edge-Detect 3/4" Stud Finder

This stud finder detects wood and metal studs up to 3/4" beneath material. Auto-calibrating AC detection. Visual LED indicators on face of stud sensor for easy readability. Accuracy up to 1/8" for wood and 1/4" for metal. Use for mounting TVs hanging shelves and picutres or even wall demo. Includes 9V battery.