RYOBI SW109U METAL , WOOD & STUD SENSOR

3 mode detector, wood / metal studs, metal and electrical wiring, with LCD display and audio indication. Auto power off after 2 minutes. Ideal for both trade and DIY. 9V battery and case included.
Stud sensor measurement :-
Drywall depth up to 38mm for wood and 51mm for metal and metal rebar.
Detects rebar up to 51mm in concrete and brick.
SENSOR STUD & WOOD , METAL SW109U RYOBI