What's in the box:

Multifunctional Handheld LCD Wall Stud Finder Metal Wood Studs AC Cable Live Wire Scanner Detector Tester

Professional wall detector can be used to detect wooden, metal studs or AC cable hidden in the wall. It is suitable for house decoration or refurbishment.

Features:
Professional wall detector can be used to find wooden or metal studs and detect AC cable hidden in the wall.
Keep the instrument close to the wall and slowly move it in a horizontal direction. When it has detected stud, metal, or AC cable, it will display the signal strength and beep.
According to signal strength, you can judge the exact location of the materials which can avoid drilling failure.
4 modes for your choice: stud scan, deep scan, metal scan and AC scan.
Portable size, convenient to use.
Low battery indication.

Specifications:
4 Modes:
Stud Scan: Detecting Depth: 19mm; Detecting Accuracy: 3mm
Deep Scan: Detecting Depth: 38mm; Detecting Accuracy: 5mm
Metal Scan: Detecting Depth: 24mm; Detecting Accuracy: 6mm
AC Scan: Detecting Depth: 38mm; Detecting Accuracy: NA
Operating Temperature: -20~40C
Power Supply: 1 * 9V Battery(not included)
Item Size: 14.5 * 7.5 * 2.5cm / 5.71 * 2.95 * 0.98in
Item Weight: 134g / 4.75oz
Package Size: 23 * 14 * 4cm / 9.05 * 5.51 * 1.57in
Package Weight: 184g / 6.48oz

Package List:
1 * Stud Finder(with a pencil)
1 * User Manual