Zircon 61386 StudSensor Pro LCD Stud Finder

• In Stud Scan mode, finds the edges of wood or metal studs up to 3/4 in. (19mm) deep through typical drywall construction
• In DeepScan® mode, finds the edges of wood or metal studs up to 1 1/2 in. (38mm) deep through thick construction such as plywood, paneling, or tile over drywall
• In any mode, continuously detects the presence of AC voltage
• Patented SpotLite® Pointing System indicates targets
• Patented over-the-stud Indication alerts you if you start over a stud

does the work (with plasterboard walls):
I bought this product at Fry's not knowing the negative reviews. I used it in two different houses to locate studs behind plaster walls. It mostly worked just fine, occasionally only giving false readings. Rescanning helped. With gypsum wall about 1/2 inch thick, this device detects studs fairly reliably. I used it so I could find good spots to attach little lamps, shelves, etc. Sometimes I saw electrical line indicator lit up, and I suspect it was bogus. As a test I tried to scan through the pine table, about 1/2 inch thick, and it was impossible to detect supporting plank below this wooden surface (even with deep scan). With plaster boards I sometimes need to either slow down a bit, and slide it more carefully, or just try again. Each time I was able to precisely locate a framing element. Just hold it tight, and slide with button depressed till it finds the edge of a stud. I use this product once in a while, to find a place to hang something heavier, and I didn't want to spend more for a professional scanner. With gypsum walls it works just fine. 4 starts only for occasional hiccups.

Useless even at the price one paid for it !!:
Bought it at Lowe's at the $24.95 sticker price thinking it must be a better one compared to the cheapest $10.95 model.. I was wrong :).. this one turned out to be a useless piece of equipment which took me atleast an hour more to get the mirror up on the wall compared to how much it would have taken me otherwise.. Novice user, so came here to confirm the findings and viola, I wasn't the only one :)

Maybe it's just me...:
I needed a stud sensor to build a closet. So I got this one. Maybe I am not using it right, maybe the sensor is too sensitive or not too sensitive. Long story short, I couldn't make it work. It is too flaky. It's a dud.

Horrible with a capital "H":
I bought this unit from Home Depot because it's the only brand of stud-finder they seem to carry in my area. It simply does not function. When I held the unit to the wall and pressed the button to "calibrate", all I got was a flashing screen and absolutely no stud-finding. I thought perhaps the batteries that it came with were poor so I changed them. Same result. Stay away from this POS.

Complete waste of money - avoid this product!:
The normal stud scan mode won't hold calibration worth a damn... and in the 1 and 10 chance you can move it 5 inches without it blinking due to "bad calibration" you get inconsistent hits all over the place. "Deep scan" mode seems to work better but thats only because it disables the calibration feature but it has the same problems the other scan mode has. Totally inconsistent hits! I'm trying to finish a quick project before I return this product... I wish I could say it was DIFFICULT to use, but its IMPOSSIBLE to use! I can't find a single stud with any certainty! Its back to the 'ol hammer and ear method until I can find something better. Doesn't this company do any sort of Quality Control??