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’s impossible to miss!

BUILT TO LAST - Rugged design withstands drops and toolbox tosses for long-term reliability
READY WHEN YOU ARE - No calibration required—just press, hold, and scan with AA battery power
EFFORTLESS SCANNING - One mode auto-selects wood, metal, pipes & live wires—no toggling needed
SEE THE FULL PICTURE - Simultaneous center & edge detection reveals double studs & irregular layouts
PRECISION LIKE NO OTHER - 9 sensors + 9 LEDs deliver pinpoint stud detection every time

The Franklin Sensors ProSensor M90 is a top-tier stud finder featuring 9 sensors and 9 enhanced precision LEDs that detect studs up to 1.5 inches deep. It automatically adjusts scanning modes to identify wood, metal, pipes, and live wires without calibration. Designed for durability and ease of use, it simultaneously displays stud centers and edges, including double studs and irregular configurations, making it ideal for professionals and DIYers alike.

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Product Dimensions	13.67 x 6.99 x 5.08 cm; 200 g
Part number	FSM9002
Material type	Other
Manufacturer	Franklin Sensors
Item model number	330995279
ASIN	B07DPT6HSY

Franklin Sensors ProSensor M90

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