Hanmatek SF3 Wall Scanner In-Depth Review: The Must-Have Tool for Professional Electricians
Hanmatek SF3 6-in-1 pro wall scanner: detects studs (wood/metal), rebar, copper pipes, live AC wires + voltage alert, conductors to 1.5"+ (deeper for ferrous). Built-in LED for dark spaces. Large LCD: center/edge, depth, signal & alerts. IP54 rugged, ergonomic, audio beep.
