Will this scanner locate post tension cables in slab.

This scanner has difficulty finding wood studs under sheetrock. Enough said? One of my worst purchases.

Can this find an electrical wire in my yard or a copper gas line?

No, I don't think so, I guess this device is based on magnetism. So it can't detect other metal stuffs like copper, aluminum etc.

Will this detect trusses from the roof through comp shingles and OSB?

it will but you have to make the wheels in constant contact with surface and run it along with certain pressure and same speed left to right. surface ideally should be flat in order to get accurate reading.shingles are on toip of each other,so this will give you wrong reading.

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Description

🔧 Uncover the Hidden with Precision!

🔋 LONG BATTERY LIFE - Enjoy up to 6 hours of continuous use.
🔍 PRECISION SCANNING - Accurate detection with 1/4-1/2" precision.
🛡️ 1 YEAR WARRANTY - Peace of mind with a manufacturer’s limited warranty.
📊 HIGH CONTRAST DISPLAY - Clear visibility with a high contrast white on black display.
🏗️ CONCRETE COMPATIBILITY - Easily scans through concrete and wood.

The Milwaukee 2291-21 M12 Sub-Scanner Detection Tool Kit is a robust and user-friendly device designed for professionals. It detects wood and metal up to 6 inches deep, features a high-contrast display for easy reading, and is powered by a long-lasting 12V lithium-ion battery. With a durable build and the ability to scan through concrete, this tool is essential for any serious contractor or DIY enthusiast.

Specifications

Manufacturer	Milwaukee
Part Number	2291-21
Item Weight	6.8 pounds
Product Dimensions	13.55 x 17.29 x 5.32 inches
Item model number	2291-21
Batteries	1 Lithium Ion batteries required. (included)
Color	12.55
Power Source	Battery-Powered
Voltage	12 Volts
Item Package Quantity	1
Number of Handles	1
Special Features	Scans through concrete
Included Components	multi-testers
Batteries Included?	Yes
Batteries Required?	Yes
Average Battery Life	6 Hours
Warranty Description	Manufacturer 1-year limited

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