3 In 1 Stud Finder Multifunction Wall Stud Sensor Detector With LCD Display And Sound Warning Red

Stud Sensor Scanner Depth: Detects studs up to 0.71 inches (18 mm), metal up to 1.2 inches (30 mm), and fire wires up to 3 inches (50 mm).

Easy to read: LCD with digital display and continuous audible warning indicates where you are on the edge of the stud.

Easy to use: After the battery is installed, the machine will emit a long beep. When it is automatically turned off, press and hold the TEST button for two seconds to turn it on again. Automatic shutdown without any operation.