The StudSensor L70 OneStep features a features a bright, backlit LCD display and a low battery indicator informing you when your battery should be replaced for optimum performance. 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 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): 1.52 Length (Inches): 7.02 Scan Depth (Inches): 1.5 Width (Inches): 2.99 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