Zircon MultiScanner 740 Electronic Wall Scanner with Built-In Erasable Wall Marker

The Zircon MS740 MultiScanner is everything you could wish for and more. It takes one 9V Battery to operate and it has so many features that I couldn’t possibly write about them all. It scans for studs, metal and AC wires to name a few. The screen lights up brightly with easy to read indicators. There’s an integrated marking feature so you don’t have to look for a pencil every time you need to mark the location of studs and the list goes on. You’ll be better off reading the details of what this handy tool offers on the Zircon website or in the description on Amazon. I absolutely love this tool. It feels so ergonomically comfortable in the hand while using it and you simply press it down against the wall to activate the power with automatic shutoff as you release the pressure from the wall. So no more worrying about draining your batteries because you forgot to shut off the device. Loaded with Pros, I can’t think of any Cons, but I’ll update this review if something comes up. Highly recommended MultiScanner. I’m sorry I didn’t get it sooner. It would’ve saved A LOT of time, frustration and descruction of walls that need to be patched up. Just get it and thank me later.

This works as advertised for detecting studs behind drywall. It does not seem to be very precise, but it appears to be sufficiently precise for such jobs as mounting a display, hanging a heavy painting, etc. What I question is whether this device is at all necessary to anyone. I can achieve similar precision by just tapping the drywall with my knuckles and listening for the change in tone as I tap along the wall. Gliding gently the vibrating plastic casing of a working electric razor along the wall achieves the same result - the change in tone reveals where the stud starts and where it ends. Perhaps this device is especially helpful for the detection of deeper studs, metal elements, and so forth. But I am very skeptical whether it is necessary at all for routine stud detection in an average house.

Excellent product. Well built. Instructions are clear and short. Make sure you read the booklet. I was able to find studs (every 16inches) using the regular strength scan, and most importantly, able to to find live wires. This machine warns you of a live wire nearby in a large area and then you can calibrate it to isolate and almost pin point the wire. In my experience, the detector was consistent and reliable in finding live wires and studs after repeated searches. I could have bought a super cheap magnetic stud finder but I was too afraid to drill into a live wire. I am super happy I bought this. Make sure you get fresh 9V batteries for each major project.

I would grade this new Zircon stud finder at 3.5 for reasons given below in the con section.This is the second Zircon stud finder I have. The first [older] was bought over the last 10 years and is simply labeled as STUDSENSOR. This new product is just as inconsistent as the first. The older model has a vertical set of red LEDs. As you transverse the stud, the LEDs light from bottom one at a time to the top light. The center of the stud is implied by the top light lit. As you pass the stud, the LEDs turn off in descending order from top to bottom. One's job is to judge where center is by picking a point in the middle of the upward and declining LEDs.This new model is more definitive about where it thinks the stud-center is located in scanning from left to right by beeps and when an upward pointing LED light on the wall appears, a 3 bar strength indicator is lit, and the middle of a 4 segmented bar is shown. At times it stays on until it decides to turn it off (perhaps by seeing the right edge being detected. (Scanning from right to left shows the bar, but no beep until the center is detected). As you move along you must watch the segmented, black horizontal bar carefully as it will be the 1st indication of the end of the stud (I believe the second is indicated when the strength indicator bars disappear).Pros:Center indicator of stud is usually right on.The segmented bar helps to understand the studs width if that is important to you.Cons:Inconsistent results when scanning in reverse. The user interface changes slightly.The screen is too small for the amount of information being presented; I surmise to conserve battery power.Bar segments hard to see and questionable in value.The signal strength is too weak to detect foil wrapped Zip power line. In my experience, contractors will use large hole cutters to run power cable. The cable could be resting anywhere in the space of the hole. In my application, I'm wanting the maximum depth screw into the edge of a 3/4. The sensor's limitation (as is also with other sensors on the market) is detection up to 1.5". I have 5/8 drywall. That leaves a screw anchor of only 1 inch. This unit will not see most of the power lines. Nor will it see any low voltage cable used for intranets, appliances, etc. [In some counties, the code requires the contractor to nail across the stud a steel plate to avoid drilling into wiring.]Battery cover is a bit difficult to lock in - wires attached to battery post are in the way.Battery life is not specified.The higher up the wall you use this product, it's more important to have a straight on view of the screen, and the use of a 3rd arm for balance and the use of a marking instrument.I did not validate the detection of non-ferrous metal.

Damn, this thing works exactly as advertised. I mean I watched the video and figured it cannot be that easy, but it is. And having used quite a few of these whenever I wanted to mount something on the wall, I can say with certainty this is best I have used.It's really simple, I wanted to mount a new monitor to the wall, unfortunately I could not find my trusty simple stud finder, no gimmicks it would just beep when you placed it over the stud. But anyway I couldn't find it, so I needed a new one, and then I saw this one and thought why not, I'll try it. In the past you sort of had to guess where the center of the stud was, but now this thing tells you exactly where it is by showing you where its edges are as well, and that is pretty awesome. It's a little more expensive, but its tech makes it worth it, and it includes a laser, level and marker to help get it as perfect as you possibly can.