Description It is a portable stud finder, which is suitable for wood surface, wall surface, etc. Professional manufacturing, high precision, and good reliability. Made of ABS material, anti-corrosion and high strength for maximum durability, durable in use. Widely used in building decoration. Features -Color: Blue.-Material: ABS, electronic.-Size: About 13.60X5.00X2.30cm/5.34X1.97X0.90in.- Power supply: 9VF622 batteries(Not included).-This stud sensor can be used to detect wall studs, metal pipes, and electrical wires.-With compact shape, lightweight and portable, take up no space and you can put it anywhere.-Widely used in finding metallic objects, trace wires behind ceiling, floor, and wall.-Use of ABS material to guarantee its durability and security. This is a perfect option if you need a stud finder.-The ergonomic design makes it comfortable to use. Perfect tools for home renovation and decoration.Packing list: 1 x wall nail detector1 x manual