Description Metal detectors are suitable for detecting metals hidden in walls, ceilings and floors (rebar, copper pipes), cables; electricity under wooden beams, metal, plasterboard cables. Make decoration drilling work safer. Features: 1.The detector has three detection modes: metal detection mode, foreign object detection mode and AC detection mode. 2.metal detection mode can detect the metal hidden in the wall (rebar, copper pipe), 3.The foreign object detection mode can detect wooden beams and water pipes under non-dense materials such as gypsum board or wood board; 4.The AC detection mode can detect the live wire inside the wall. 5.Digital LCD display and audio alarm, the stud detector is equipped with a large LCD display and audio alarm, which helps to detect the accurate position of the object, in addition to displaying the detection mode, center point, low battery indicator, etc. When the material is found, the LCD display and audio alarm will tell you if you are closer to the target. Specifications: Name: Multifunctional Wall Scanner Color: As Picture Maximum detection depth (ferrous metal): 120mm Maximum detection depth (Metal Pipes): 100mm Maximum detection depth (AC Wires): 40mm Maximum detection depth (Wooden): 38mm Battery model: lithium battery 3.7V 300mAh Type-C charging built-in Power Type:Rechargeable With Buzzer Alarm:YES Continuous Working hours:6 hours Type:Metal Detector With LCD Screen Or Not:Yes Lithium Battery Capacity:3.7V 300mAh Packing list 1 X Wall Scanner 1 X USB Type-C charging cable 1 X Bag 1 X English manual