Feature 15 in 1 Design: The use of 5 in 1 design, more powerful, more accurate, longer duration, to bring you excellent use experience 2Alarm Design: The design of the alarm, so that you can know the situation of the wall at any time, so that the operation is more accurate 3Fast Positioning: This product quickly and easily locates metal studs, joists, metal tubes, rebar, live AC wires behind walls, floors, and ceilings 4Wide Application: Can clearly identify what objects inside the wall, more intuitive, more accurate. Suitable for wood detection, metal detection, current detection 5Essential Tool for Family Use: Convenient, durable, easy to operate, it can sense the change of space density behind the wall, is a family practical toolItem Type: Wall Scanner SensorMaterial: ABSWeight: Approx. 211g / 7.4ozAlarm Mode: BuzzingPower Supply: 6F22x1 Section, 9V(Shipped Without Battery)Display: LED Green Backlight Screen .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Wall Scanner Sensor1 x Specification