-Operated by one piece of 9V battery (battery not included).
-Four scanning modes: stud scan; deep mode; metal scan; AC scan.
-Automatic calibration and ergonomic grip for comfortable use.
-LCD screen and audible warning: when the material is found, the LCD display will intensify the intensity of the indication and audible warnings, informing the user that it is closer to the target.

Specifications:
-Power supply:1 x 9V battery (not included)
-Four scanning modes:
Detects stud scan up to 3/4" (19mm) deep
Detects deep scan up to 1.49" (38mm) deep
Detects metal scan up to 2.36" (60mm) deep
Detects AC scan up to 2" (51mm) deep

Notes:
1. It is important to wait for calibration to complete (2 - 3 seconds) every time before moving the scanner.
2. Hold the tool straight up and down, parallel to the studs, and do not rotate the tool.