Multi-Function Stud Wall Sensor Finder Center-Finding Metal Wood Studs AC Voltage Live Wire Detector Product Feature: Quickly find the metal, wood, AC wire that are hidden walls, floors and ceilings of your house, to avoid hazards while installing TVs, cabinets, garage shelves and more. Don't need to pay a electrician, you can do a test with stud finder. This unit is 3 in 1Metal/Voltage/Stud Detetor.It uses electronic signals to locate the exact position of studs,ceilling joist AC wires and metal through Drywall,concrete and other common wall materials . Once the edge of a stud has been detected ,it emits audio and visual signals (LCD Display) that allow you to easily pinpoint its center position . This unit is an ideal tool for DUY fans ,professional eletrician and user in decoration field. Product Specifications: Color: Orange Material: Plastic and metal Size: 15.5 x 6.9 x 3cm Compact handheld body and anti-slip design, convenient to use Can detect metal, STUD, AC wire inside the wall. When detect metal, wood or AC wire, the detector has sound alarm, and shows analog display Stud Finder Can detect STUD in the same object Powered by a 9V battery(included), no trouble with dragging wires. The ergonomic grip design provides you comfortable grip feeling. A/C detector can avoid the mistakes of messing up with the live wire. You don't have to be a professional to use the stud finder. Compact handheld body and anti-slip design, convenient to useCan detect metal, STUD, AC wire inside the wall. Package Lists: 1 x Stud Finder 1 x 9V battery Before you place an order, please provide me with English information to facilitate our delivery and logistics