The MultiScanner L350 OneStep features a 3-mode switch makes it easy to change modes, while the ultra-bright display screen, SpotLite® pointer, and audio tone all indicate the location of the target. StudScan mode locates the center, edges, and direction of wood or metal studs up to 3/4-in deep DeepScan mode doubles the scanning depth to 1-1/2-in Metal scan mode detects ferrous metal, such as rebar, up to 3-in deep WireWarning Detection indicates the presence of live, unshielded electrical wiring up to 2-in deep Easy-to-read backlit LCD display indicates center, edge, and direction of approaching stud SpotLite pointer shines an arrow shaped light on the wall to clearly indicate the center of the stud Translucent base and illuminated “V” marker groove for more accurate marking of stud edge location A brand new 9V alkaline battery is required for proper operation Color/Finish Family: Yellow Battery Size: PP3 (9V) Depth (Inches): 1.68 Length (Inches): 7.71 Scan Depth (Inches): 1.5 Width (Inches): 3.31 Automatic Operation: No Battery Charger Included: No Battery Included: No Battery Required: Yes Case Included: No Detects Live Wires: Yes Level Included: No Magnetic: No Material: Plastic Object Detection: Metal and wood stud Sound Indicator: Yes Warranty: Limited lifetime CA Residents: Prop 65 Warning(s): No UNSPSC: 27111800