WireWarning Detection indicates the presence of live, unshielded electrical AC wiring while scanning in StudScan and DeepScan modes. | Patented "Over the Stud" Indicator and SpotLite Pointing System ensure the A100 provides trustworthy results | Ergonomically designed grip allows a comfortable hold on the tool for any size hand, at any angle | One fully charged 9V battery, not included, is required for the stud scanner to run at optimal performance to help you easily find studs and avoid hazards

WireWarning Detection indicates the presence of live, unshielded electrical AC wiring while scanning in all scanning modes | ACT (Auto Correcting Technology) automatically corrects common user errors, i.e. when scanning begins over a stud, as the Signal Strength Indicator help distinguish shallower targets from deeper ones | Ergonomically designed grip allows a comfortable hold on the tool for any size hand, at any angle while the Patented SpotLite Pointing System clearly indicates the target location | One fully charged 9V battery, not included, is required for the stud scanner to run at optimal performance to help you easily find studs and metal while avoiding electrical hazards