Features: 5-in-1 Design: This stud finder detects wooden studs, metal studs, joists, metal pipes, rebar, and live AC wires behind walls, floors, and ceilings. Easy Operation: Features an LED LCD screen with green backlight for clear visibility in low-light conditions. Detects changes in wall density to accurately locate the center of studs. Metal Detection: Detects hidden metal objects—including nails, screws, and other ferrous and non-ferrous metals—within walls, floors, and ceilings using advanced sensor technology. Precise and Rapid: Equipped with a high-sensitivity micro-sensor chip to accurately and quickly identify edges and centers of studs, joists, pipes, and live AC wires. Designed for efficiency and ease of use. Wide Application: Suitable for wood detection, metal detection, and live wire detection. Ideal for professionals, homeowners, and DIY users. Display: LED LCD with green backlight Material: ABS/TPE Size: 176 x 72 x 37 mm Battery: 1 x 9V battery Package List: 1 x 5-in-1 Stud Finder