Multifunctional: Multifunctional, can quickly and conveniently locate metal pipe reinforcements and AC cables behind walls, floors, and ceilings. Sensitivity: The sensitivity that can also detect small metal objects. Adjustable sensitivity: With the WPP123 metal detector, with different features. Sensitivity settings allow you to maximize scanning capability. Comfortable handle: The lightweight design and ergonomic handle make it easy to use for long periods. Two types of alarms: metal detectors with sound and light alarms, similar. Dimensions: 148 x 78 x 24 mm. Battery: 6F 22.9V (not included). Metal testing: copper pipe, diameter 15 mm, depth 24 mm. Voltage detection: AC 110 V cable, depth 30 mm. Working environment: -10~50℃, relative humidity <75%. Contents: 1 metal detector. Suitable for use in decorative interior structures, it can detect the position of metal and wires inside the walls.