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Feature

Multi-mode Detection: Detects metal studs up to 3/2 in(38mm), metal rebar or pipe up to 3 in(76mm) while AC live wire up to 3 in(76mm)
Its easy-to-read display screen indicates directions, edges and center of studs, while Wire Warning detection indicates the presence of live AC voltage,1 X 9V battery included.
Quickly locates edges and center of metal studs, pipes, rebars, joists behind walls, floors and ceilings, also indicates the presence of live AC wire
LCD Backlit Display and Audible Indication: Illuminated graphical LCD and sound signal indicate mode, detection strength and more

Description

Features
Stud mode: detect metal studs with 1/2 inch, 1 inch and 3/2 inches mode
Metal mode: detect metal pipes, rebars etc up to 3 inches
AC mode: detect unshielded AC live wire up to 3 inches
Important Tips
Calibration: Place it flat on wall first. Then press and hold the Scan button, and keep the unit still until calibration is complete(1-2 seconds).
When calibration is complete, the display bars will be cleared Operation: Keep it flat against the wall and move the unit slowly. Do not rock or lift it
Detection depth and edge detection can vary due to moisture content of materials, wall texture, paint, etc