It is a handheld wall detector with high sensitivity for home decoration, which could help you locate hiddened metal pipes, live wire, stud and metal frames accurately when you want to dig a hole to hanged a picture or install shelves. 

Features:
This stud finder wall scanner allows you to efficiently switch between the 3 different scan modes within minutes. Easily locate the metal, pipes, as well as the live AC wires with this stud finder. 
Ergonomic Design: handheld and anti-slip body for comfortable and firm grip.
Smart Beep Function: reminds you of the stud's location to find the stud center quickly.
LCD with Backlight Display: LCD digital display to show the indication clearly.
3 Detecting Modes: stud scan mode, metal scan mode, AC wire scan mode.
Automatic Calibration: adjusts the detection automatically for precise detection.
Suitable for professional, homeowner or a DIY enthusiast.

Specifications:
Color: Orange + Black
Material: ABS
*Maximum Detection Depth:
Metal Rebar: 76mm 
AC Live Wire: 76mm 
Wood and Metal Studs: 38mm 
Operating Temperature: -20 ~ 60°C
Storage Temperature: -20 ~ 60°C
Power-Supply: 1 * 9V 6F22 Batterys(Not Included) 
Package Size: Approx. 232 * 149 * 45mm / 9.1 * 5.9 * 1.8in
Package Weight: Approx. 191g / 6.7oz

Packing List:
1 * Wall Detector