How can I understand whether I've found wood or metal? Thanks!

Unfortunately this sensor does not distinguish between metal or wood studs. It is designed to find any change in density behind the wall so a wood stud and a metal stud will show up identically.

does it detect studs behind drywall with texture??

It will detect studs 1.6" deep. So, as long as the texture including drywall is no deeper than 1.6 inches, it will detect them.

Can this be used in laminate wall?

Yes. It scans pretty well. However the problem is that it doesn’t alert you when it finds the stud you just follow the light. But it deep scans.

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🔍 Find your studs like a pro—accuracy that builds confidence!

UNMATCHED PRECISION - 9 sensors deliver the most accurate stud detection on the market—never miss a stud again.
WOOD METAL DETECTION - Automatically identifies wood and metal studs without switching modes—versatility made simple.
MADE IN THE USA QUALITY - Crafted with pride for durability and reliability, trusted by pros and DIYers alike.
FULL WIDTH VISUALIZATION - LEDs illuminate entire stud width, revealing single, double, or irregular stud patterns.
DEEP EFFORTLESS SCANNING - 1.5-inch deep scan works instantly with no calibration—just press and hold to start.

The Franklin Sensors ProSensor M90 is a professional-grade stud finder featuring 9 sensors for unparalleled accuracy. It scans up to 1.5 inches deep through drywall, detects both wood and metal studs automatically, and visually displays the full width of studs with LED indicators. Made in the USA, this tool requires no calibration and is powered by two AAA batteries (not included), making it the ultimate choice for precise and reliable wall scanning.

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Manufacturer	Franklin Sensors
Part Number	FSM9002
Item Weight	7 ounces
Product Dimensions	5.38 x 2.75 x 2 inches
Item model number	330995279
Is Discontinued By Manufacturer	No
Color	Yellow
Material	Other
Power Source	Battery Powered
Item Package Quantity	1
Included Components	Range
Batteries Included?	No
Batteries Required?	No

Franklin Sensors ProSensor M90 Stud Finder with 9-Sensors, Wood & Metal Stud Detector/Wall Scanner, Made in The USA

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