Features: 1. Locate Stud Edge: The stud finder Features edge detection to locate the stud edges of wood and metal studs. It is highly accurate in its positioning. 2. Designed for Long Lasting: This stud finder has has a shock and water resistant body, it is durable and it has a long life span. Big value for money. 3. Surface Difference Wallpaper: There will be no difference in stud sensor functionality on surfaces covered with wallpaper or fabric, unless the cover used contains metal foil or fiber. 4. Safe and Reliable: The stud finder is very practical and a necessary tool when you are repairing at home. It can quickly help you find wires and keep you safe. 5. Wide Use: This stud detector quickly locates wood, metal, and AC wires in the wall, floors, and ceilings of the house. Helping you avoid danger when mounting TVs, cabinets, garage racks, etc. Specification: Item Type: Stud Finder Material: Plastic Weight: Approx. 73g/2.58oz Size: 136x23x50mm/5.35x0.91x1.97in Battery (Shipped without Battery): 1x9V 6F22 battery At 35 to 55% Relative Humidity: Depth Range Accuracy: Scan and mark studs from both sides: up to 3/4 inch (19mm) through wall Stud Centers: Wood ± 1/8inch (3mm), Metal ± 1/4inch(6mm) Impact Resistance: up to 3ft(1m) Drop to Concrete Operating Temperature: +20℉ to +120 ℉ (- 7°C to + 49°C) Storage Temperature: -20℉ to -150℉ (- 29°C to + 66°C) Uses: Inspection of Wall Studs, Metal Pipes and Wires Package List: 1 x Stud Finder 1 x English Instruction Features Accurate Stud Edge Detection: Locate the edges of wood and metal studs with precision using this stud finder. Never miss your mark again. Durable and Long-Lasting: Built to withstand shocks and water, this stud finder is designed for longevity. Get great value for your money with its durable construction. Versatile Surface Compatibility: Works seamlessly on surfaces covered with wallpaper or fabric, except those with metal foil or fiber. No need to worry about compromising functionality. Safety and Reliability: Ensure your safety during home repairs with this practical and essential tool. Quickly locate wires and avoid potential hazards. Wide Range of Applications: Perfect for locating wood, metal, and AC wires in walls, floors, and ceilings. Stay safe while mounting TVs, cabinets, garage racks, and more.