Description 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. Feature - Color: Black- 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- Can detect STUD in the same object- Powered by a 9V battery(Not 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.- Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!Packing list: 1 x stud finder (Without Battery)Packing list: 1 x stud finder (Without Battery)