3-in-1 Stud Finder metal and AC power wire detector. Ideal for accurately locating hidden metal pipes, power wires, studs and wood frames. Stud Finder offers a total of 4 scanning modes for detection: stud scan mode. DEEP mode. metal scan mode and AC scan. Easy-to-read backlit LCD display. Detects metal up to 60 mm deep. Power wire up to 51 mm deep. Wood up to 19 mm deep. Dimensions 160x70x33 mm. Powered by 9 V battery.