Features:<br> 5 in 1 Design: This stud finder sensor has 5 in 1 design, which can provide more detection needs. It quickly and easily locates wooden metal studs, joists, metal pipe rebar and live AC-wires behind walls, floors and ceilings.<br> Easy Operation: This detector is very convenient to use. It has LED LCD green backlight screen and can see clearly in the dark. It sense-changes in the density of the space behind the wall and very accurately locates the center of the column.<br> Effortlessly pinpoint hiddens metal objects, including metal detector gold silver, within walls, floors, and ceilings thanks to its advanced sensor technology.<br> Precise and Rapid: The wall stud finder adopts an intelligent micro-sensor chip with the highest sensitivity which can accurately and quickly find edges and center of metal, studs, joists, pipes, and live AC-wire behind walls, floors, and ceilings. Fast detection saves users time and effort, making tasks completion easier. It must be ultimates present for professionals, homeowner,s and DIY enthusiasts<br> Wide Application: This SH402 wall detector can clearly identify what objects are inside the wall, very-accurate. It is suitable for wood detection, metal detection, current detection and more. Use it whenever you want to see inside an opaque objects.<br> Notice:<br> *Actual color may be slightly different from the image due to different light effect<br> *Please allow 1-3cm deviation due to manual measurement<br> Display: LED LCD with green backlight<br> Material: ABS/TPE<br> Size: 176 x 72 x 37 mm<br> Battery: 1 x 9V dry cell<br> Package List:<br> 1x 5 in 1 Stud Finder Sensor