Meters -Precision Stud Finder Detector Wall Scanner for Wood Live AC Wire Metal Studs Detection Highlights Generic Brand Precision Stud Finder Detector Wall Scanner for Wood Live AC Wire Metal Studs Detection Description: Accurately and quickly locate edges and the center of metal studs, live AC wires, tubes, steel bars behind walls, floors and ceilings. 3 switchable detection modes: detects wood and metal studs up to 38 mm (1-1/2 in.) deep; detect metal up to 60 mm (2.36 inches) deep; detects AC cables up to 51 mm (2 inches) deep. Large 2 inch LCD screen with green backlight, easy to read. Function: sound warning, data hold, auto power off, low power display. Great helper tool for interior installation of TVs, cabinets, shelves, LED lights. specification: Horizontal measurement range: 0-360 (4x90) Display accuracy: 0.01 (about 0-1 and 89-90), other angles 0.05 Measurement accuracy: +/- 0.1 (approx. 0-1 and 89-90), other angles +/- 0.2 Unit: degree , percentage % Size Chart: approx. 15.5x6.6x3.7cm/6.10x2.60x1.46inch Package Include: 1 Piece Wall Stud Finder Note: Colors may be different due to different monitor display. Please allow slight size difference due to manual measurement.