Item No.: C23A270
.3 in 1 Detector  
.2 meter measure tape inside  
.Find the stud center   
.Find wood and metal studs  
.AC scanning to trace hot wire  
.Metal scanning for finding nail, pipe, rebar, and other hidden metallic object.  
.Auto power off.  
.Detection depth  
.Stud mode:Wood stud of 30×30mm ≤18mm  
.Metal mode:Iron pipe of diometer 25mm :≤30mm  
.AC mode:Typical depth of 50mm for 90~250V at 50~60Hz  
.Power:9V battery (6F22)