Item Type: Wall Scanner_x000D_ Model: HW430_x000D_ Material: ABS_x000D_ Power Supply Method: 1 x 9V Dry Battery (not included)_x000D_ Measurement Range: _x000D_ Wood Detection: _x000D_ |: 1/2 inch (12.7mm)_x000D_ II: 1 inch (25.4mm)_x000D_ III: 1-1/2 inch (38mm)_x000D_ Metal Detection: Approx. 60mm / 2.4in_x000D_ AC Detection: Approx. 51mm / 2in 15 IN 1 STUD FINDER: This stud finder is used to detect wooden board, gypsum board material, metal position and live wire, with AC warning function 2ALARM FUNCTION: This handheld wall scanner is alarm design, allowing you to keep track of the wall condition at all times, ensuring accurate operation. 3MULTIPLE USAGES: Can quickly and accurately locate metal studs, joists, metal pipes, steel bars, and live AC wires behind wall, floors, and ceilings. 4HANDHELD USE: The wall stud scanner is handheld design, making it comfortable to hold, and the compact size for easy carrying and storage. 5LCD DISPLAY SCREEN: The wall detector is equipped with LCD display screen, which is clear and intuitive, suitable for wood, metal, AC, and other detection.Battery Not Included1 x Wall Scanner 1 x User Manual