Smart Tire Safety Monitor

Product Description

Meet the ZUS Smart Tire Safety Monitor. With ZUS, you no longer have to guess what's wrong with your tires. View individual tire pressure data directly on your smartphone for a safer drive and improved gas mileage. Powered by an intelligent algorithm, ZUS warns you of any slow leaks before they become a serious problem. It's perfect for your 4 - wheel drive or pickup truck.

Top Reviews

WARNING - This product has a design flaw and Nonda knows it
by pgb0517 (1 out of 5 stars)
August 12, 2018

I ordered this without doing enough research. The tire sensor threads on this product are made of a material that reacts with your tires' valve stems. Many customers have had to had their valve stems removed and replaced because the sensors become impossible to remove without destroying the stems. Nonda knows of this problem but continues to sell the product.

There are other issues as well: Nonda says on their website (but not in the product literature or printed manual) that you need to remove and lubricate these sensors every *two weeks* to keep them from sticking. Also, Nonda recommends that you drive the car for at least ten minutes at 14mph (22kph) or more every time you go anywhere before you can trust the data - this gives the system time to calibrate. The manual says this driving time can be a troubleshooting step, but in fact they have told me that this is needed every time you start the car. The product literature says these provide "real-time" information, but if you have to drive for several minutes every time you go someplace, that is not "real time."

I just bought these things from Amazon and was going through troubleshooting steps with their tech support when I came across this disturbing information. I am returning all my Nonda purchases. Nonda has admitted in its online forums, and in in an email to me, that this is a design flaw and they are working on a new version. Shame on Nonda for selling a product they know to be faulty.
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Do NOT buy.
by IJme (1 out of 5 stars)
March 5, 2018

After 3 months of use, one of the sensors no longer holds air. When that sensor is installed, my tire goes flat within a couple of hours. I've tested this on more than one tire. Not exactly what I was looking for in this product.

Update: I received a replacement for my leaking sensor. Unfortunately, that sensor refuses to integrate with the system. The TPMS Study app, which Nonda directed me to isn't user friendly, and the app doesn't indicate whether it successfully connected to the new sensor. Worse than that, customer support doesn't appear to be staffed with native English speakers, making communication with them really difficult.
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Most interesting retro-fit of technology I've seen recently
by debrucer (5 out of 5 stars)
February 1, 2018

Amazing device. I would not recommend using the app while driving... let a friend drive, and watch how the tires respond to what you're doing. No big deal perhaps if you've got a modern car, mine is much older, and probably been running at the wrong pressure, like, forever. Three were too high, and one was 1/2 low, it was pulling, I should have known, but, I'd never guessed the degree it was off. Now I can watch the temperatures, as well, and one can definitely see that relationship to pressure, and again, to what you're doing. Their app has two other devices, neither of which I'd be interested in... EXCEPT for the fact that this works so VERY well... the other pieces almost become a must have. Oh, must have duplicate sets for other cars in the family. Excellent gift! Too bad they don't work for a motor-home. Once you see how well they work for what they were designed for, a car, you won't want to drive without them.
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Avoid this product.
by JAMES A BEAUCHAMP (1 out of 5 stars)
January 8, 2018

I liked the technical ability of the product, great GUI for iphone and ipad, but the sensors cannot withstand the road environment. The sensors are poorly constructed and questionably sealed. Within a week of successful operation, the first pressure sensor died, giving a reading of 0.0 (even though the temperature was reading fine). After that, the sensors continued to sequentially malfunction one after another. Emails with Nonda were of little help as they kept asking me to "swap with another tire" or "replace the battery" even after me telling them the temperature transducers were fine - the pressure transducers were sequentially failing because the units were not built robust enough for road environments. I finally gave up, admitted my mistake of purchasing a product that was a mistake to buy. I do not recommend this product as you will most likely have an experience similar to mine. The manufacturer needs to go back to the drawing board and design a more robust model. I finally settled with simple indicator caps for 48 PSI truck tire pressure.
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Great product, only issue is the LED indicators
by TechGentry (5 out of 5 stars)
January 12, 2018

The smart tire safety monitor by Nonda has been an awesome product that in my opinion offers a lot of helpful information. I am by no means a car junky, but I do like to take care of my car. Many of the newer cars come with or have an added package for things like pressure monitoring but on my 2013 Ford Fusion, I have no idea how my tires are performing until something bad happens.

First I'd like to say that the installation of this product was incredibly simple and I had no hiccups whatsoever while getting it set up. It comes with security locks though I don't know how well those stand up to stopping somebody from stealing them. All of Nonda's products sync conveniently with their app which is clean and easy to navigate. The product shows me the tire temperature as well as pressure and keeps a log of changing conditions which you can see in an easy to read chart.

The biggest flaw with this product, in my opinion, is the LED indicators on the hub. While it is cool that the hub looks like a car, there isn't an easy way to see all 4 indicators while driving no matter how you mount the device. The reason I think this is such an issue is that the LED's are meant to be the immediate indicator of an issue. Because I would not be using my phone while driving, the only way I'd know if there was a problem with the right side tires is if I had a passenger who could see the 2 LED's on the right side. I will say though, I especially like that they included a front-facing USB port on the hub so you're not losing a USB port by using this device.

Another thing I must commend Nonda on is their packaging, I know the packaging can be considered irrelevant but I think it is a nice touch. Everything is packaged cleanly and compact making it feel like a quality product, which it is.
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Warning do not buy
by virgo (1 out of 5 stars)
March 9, 2019

If you want to mess up your tire valves then buy this. It was one of my worst purchases. I was not able to remove this from my tires I had to go to a tire shop and pay to have all four valves changed
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Deceivingly Good Looks But Poorly Constructed
by Benign Tester (1 out of 5 stars)
January 16, 2018

Poorly constructed oversized sensors with easily breakable plastic caps. The sensors need to be tightened considerably to prevent air leakage and are extremely difficult to remove. (Even though I did not use the lock nuts). The included small spanner tool is flimsy and does not securely grip the hexagonal lower portion (internally threaded end) of the sensor. I cannot conscientiously recommend this product. YMMV.
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Disappointing TPMS for Cold Weather Climates....
by S. Cooke III (4 out of 5 stars)
April 2, 2019

As my title states this is a disappointing TPMS system for cold weather climates. Users that have given this negative marks are just in their feelings as I was too. Nonda has at least tied to remedy the issues with non-corrosive sensors; however, this solution does NOT resolve the issue as on extreme cold-weather conditions this product fails. I have gotten around this a bit by treating my valve stems as well as the threading in the tire sensors with "special" lubrication. You can find this product for rust-proofing and corrosion in other hardware stores. AGAIN, you MUST TREAT the threads of both the valve stems and sensors at LEAST three times a month IF YOU ARE IN COLD-WEATHER CLIMATES! This prevents the MAIN issue that I and many others had suffered from this product. It's understandable as with ANY electronic product being introduces to extreme cold weather. I still have not found a more intuitive TPMS that alerts you when your tires have a slow leak as effectively as this one. I will say that If you have newer car models (i.e. 2019 Honda Pilot [Touring or Elite], 2020 Honda Accord, 2020 Toyota Camry, etc) you WILL NEVER NEEDS THIS UNLESS you wish to have SLOW LEAK DETECTION. I honestly, cannot wait till the rest of the automotive industry keeps up with Audi and BMW technology as they have this covered too. This is my second set of Nonda AccurateTemp TPMS w/ Corrosion-Proof Sensors. I did have to have my dealership use a "special" compound to remove the sensor AGAIN; however, I did neglect to put the required lubrication on before I applied the sensor. What i DO BELIEVE is that Nonda should warn cold-weather users to use a solution before applying their product. As a matter of fact they should INCLUDE specific compound of lubrication with this product as well as offer it as a Amazon consumable (sorry I don't remember what you call their auto-order products). This way we wouldn't se a negative review. Nonda please correct this as you have people that honestly like your products.
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It worked. I had enough time to safely get off the highway.
by Jim (5 out of 5 stars)
September 26, 2018

I'm lazy. I should check tire pressure more often than I have in the past. With ZUS, I check all four tires every time I start to drive. I also leave the app in the background on my phone in case I start to hear funny noises - one look at the app and nope, tires are good.

Except for one day headed down the freeway a little faster than a highway patrol officer would approve. As the pressure receiver started to buzz, I got a pop up message on my phone that my left rear tire was losing pressure. A quick look at the phone app showed 25 pounds. I quickly headed across four lanes of light highway traffic to stop on the shoulder. The last thing I remember seeing was 17 pounds of pressure which quickly became 0.

Not fun to change a flat on the side of the freeway in Phoenix. But, I got off the road before destroying my tire. This $100 gadget saved a $200 tire.

Disadvantages - none of which now matters to me - pressure is displayed in incriments of a half pound. Three times I have had a leak attributed to the valve stem or pressure gage. Last time the tire store manager suggested replacing all the valve stems with metal ones. So far that has solved that issue. If one of the tires seems a little low, I drive for an hour before getting worried. The pressure update rate seems slow and a low tire will be good soon. Since tire temperature is also displayed, I know the pressure isn't rising due to the tire heating up.

When it came time for this device to do its thing, it worked immediately with multiple types of notification. Very pleased with the function. Bought a second unit for my wife's car.
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Good items that works well for older cars. If you do not have run flats or TPMS these are an excelle
by Richard C. (4 out of 5 stars)
January 30, 2018

After several months the only issue I have had is that the app is a little confusing to me. While you need a cellphone to set up initially you have the green lights in the USB plugin unit and a sound alarm to let you now if your/the preset pressures high and low are crossed. It reacts quickly in real time to alert you of a blow out or rapid loss of pressure. I verified the pressures against a high quality tire gauge and they seem fairly accurate within 1 PSI. CR1632 batteries can be changed in the sensors. Hopefully the batteries and sensors will last.

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