Features:

• Stud Scan mode to find wood or metal studs or joists up to 1 1/2 in. (38 mm) deep
• Metal Scan mode to locate metal pipes or rebar
• AC Scan mode to locate hot electrical wiring even when they're encased in plastic conduit
• ACT Auto Correcting Technology corrects common user errors automatically
• Includes Zircon "How-to" DVD and detailed instructions. Sensing depth and accuracy can vary due to moisture, content of materials, wall texture, and paint

Editor Reviews:

Product Description:
#1700 1-Step Multi Wall Scanner With Centervision Technology, Ultra Bright Display Screen, Auto Correcting Technology & Built-In Erasable Marker, Indicates Direction, Edge & Center Of Stud, Signal Strength Indicator Distinguishes Between Shallow & Deep Targets, Three Detection Modes For Studs, Metal & Hot Electrical Wiring, Includes 9V Battery & DVD How To Guide.

Rating : - Fine Product
This Zircon is lightyears ahead of the one I bought several years ago. Really nice to have the center of the stud identified.