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70mai Tyre Pressure Monitoring System Lite USD $46.99 (AUD~ $72.18) + Free Shipping to First 200 Orders @ 70mai Online Store

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ONLY200FREESHIPPING

For those who like Xiaomi products and want to monitor their vehicles tyre pressure from the comfort of their car, 70mai has just launched their TPMS kit that has the sensors external of the tyre.

70mai (a Xiaomi company) have a pre-order special on for the first 200 orders which is 15% off normal price and free international shipping with code ONLY200FREESHIPPING entered at checkout.

Pre-orders will be shipped out on 12/12/19, according to the banner on the site.

The display unit is solar powered and has bluetooth function to talk to an app (for some reason… gotta love that pressure data)

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closed Comments

  • That's pretty cool. I'd hate it if some scumbag were to steal the gauges off the tyres

    • I have had other branded ones on my other cars for a few years now and haven't had any problems with them and they were about triple the price when I got them.

      • Have you had to replace the batteries in the sensors yet?

        • +2

          Surprisingly, no. They seem to last quite awhile and they only power up and transmit when the vehicle is going >20kmph apparently.

        • +2

          from product page

          Durable and Firm Sensor
          Firm Sensor with a waterproof and anti-corrosion design is perfect for harsh weather conditions. The battery life of sensors can last up to 2 years. It could be replaced by yourself when the battery is exhausted.

          IP67: resist dust tight and powerful water jets

          Copper valve core could handle high temperature

          • @Aarent: "Copper valve core could handle high temperature"??? Do they mean it might handle high temps but they haven't tested it yet so nobody knows?

            • @jimmy c: Sorry, i was a bit lazy, i was mainly responding to Spock abt the battery life, glad they read it previously, all g :)

          • @Aarent: Yeah I read the up to 2 Years battery life in the description, hence why I asked the op if they needed to change the batteries on theirs

            • @Lizard Spock: What if the battery explodes?

        • I bought one system from eBay at the beginning of this year for under AUD $50, using it to monitor my 4WD tyres. It looks almost exactly the same as this one except it does not have app-enabled feature. The batteries that came with it only last about 6 months before they all gone flat, replaced with another set of cheap button batteries from eBay, so far they are still powering in the past 5 months. Maybe next time I will replace with better brand batteries i.e. Maxell.

          • @edfoo: Use lithium batteries and not NiMH for longevity.

            • @flywire: I'm talking about those button batteries in each of the four sensors.
              What NiMH batteries are you talking about?

    • I got scumbags that stole my $5 eBay caps!

  • +15

    Waiting for the RGB version

  • +1

    Is this one safe to use? I have a cheap one before it actually flat my tyres.

    • +13

      Just dont post anything about Hong Kong and you should be fine.

  • +2

    *tyre

    • +3

      Thanks, I cut and pasted the title. Fixed.

  • who said gadgets cannot be art! gonna buy as Xmas presents

  • +7

    Shows the reading in bars only, will have to work out PSI yourself

    • +5

      So pump it to 32psi and that will let u know exactly wat bar it should be always

    • +1

      For offroaders who adjust tyre pressures depending on terrain, it might be a deal breaker after dealing with psi for so long.

      Which country uses bars? Tyre placards tend to have psi and kPa.

    • +4

      Yes that's a deal breaker.

      I highly recommend paying a bit extra and getting the colour unit from digoptions. I have the internal sensors on 5 wheels and it's been flawless.

      • +5

        Can you link it? There are so many on that website.

        • +1

          Sure it's this one https://www.digoptions.com.au/tpms-tyre-pressure-monitoring-…

          I've got that unit but with the 5 internal sensors so there's one on the spare and i can do 5 wheel rotations and just have to relearn the positions. Internal sensors give a more accurate reading of the tire temperature, wont get stolen and if you do any 4 wheeling they are a lot less hassle when airing up and down a lot. Plus less chance of getting it snagged up on any sticks and logs.

          External sensors are much simpler to install, replace and change when rotating tires. So internal vs external both have their pro's and cons.

          Lots 4wd folk are running these units, Digoptions have been selling them for several years they are very reliable.

    • 1bar = 100kPa (i.e. 1 hkPa)

  • I've seen similar product somewhere. But pretty sure it was much more expensive. And you could change it to psi.

    Edit: found it. $249.
    https://oricom.com.au/product/tps9-external-tyre-pressure-mo…

    Edit #2: on one of the screenshots you seem to be able to change units

  • This sounds neat.

  • Keen to give this a go!

  • It sounds good, Is this finally price?

  • +6

    How's this one different to the cheaper ones available on banggood, etc.?

    https://www.banggood.com/Car-Solar-Wireless-TPMS-Tyre-Tire-P…

    • +3

      Other than restricting you to using a measurement unit that no-one uses? I think the banggood one is a much better deal!!

      • +5

        Conversion is easy enough though. 1 bar is 14.5psi. Tire pressure recommended in my car is 36psi, so around 2.5bar. all you have to do is do the conversion once to figure out the recommended tire pressure for your car and then make sure it doesn't go too far below that.

    • waay better price. other than the banggood product not having an app which i would never use as its better to just look the display once in the car anyway, is there any reason to go for the 70mai version over banggood? i can't think of anything else it does better for the price

  • +1

    I can appreciate the true quality of a product who's final bullet point slogan is "Adaptable for Mostly Vehicles."

    • -1

      Mostly doesnt mean always… can l use this to ensure I stay inflated ?

      • Mostly inflated perhaps?

  • +3

    Waiting for a cheap motorcycle version. It's a PITA checking tyre pressure as a pre-ride check.

    • cause Xiami actually makes some decent quality stuff…

      • cause Xiami actually makes some decent quality stuff…

        They don't made it just use their brand

      • 2-3 x more decent? I admit their stuff is good but not 3x better then the others. If they can self inflate tyres, then I would support them for this price point.

  • Very cool.. combine these with the Xiaomi portable air compressor, and you'll be set.

  • +2

    If only they auto pumps the tyres as well that would be more ideal :)

  • +1

    great idea saves me having to hang my head out the window to make sure the tyres haven't gone flat

  • I’ve disabled TPMS in every car I have owned. They are more headache than useful

    • +3

      Im considering buying a tpms after reading this post, what are the downsides that made you not want it?

      • You spend less time with your friends in the tyre shop

      • +2

        Downside is you can become over obsessed about your tyre pressure when you have a TPMS.

    • I have TPMS on all my current vehicles. Has paid for itself after detecting a puncture which could have ruined the rim.

    • Have it on a motorhome I was driving around the Alps in France. Drive too vigorously and the temp warning goes. Very useful I reckon.

  • +5

    Best deal BAR none.

  • +3

    I got one of these from eBay just a few days ago.

    https://www.ebay.com.au/itm/TPMS-External-4-Sensor-Solar-Wir…

    It seems to be working fine, can between bar/psi and c/f temperature.

    Xiaomi are great but at double the price for pretty much the same thing (plus app readout) isn't worth it to me.

    • Once attached, how do you inflate your tyres? Is it still as simple as just removing top cal and then inflating?

      • +1

        Yep, just like a regular non-smart cap.

  • +1

    Why do people need this? Isn’t just pumping tyres once a month or thereabouts enough?

    • +1

      Yes. If you schedule punctures for the day before you inflate ?

    • Not everyone drives on city roads. Hell, sometimes the roads aren't even sealed and people drive over rocks and sticks and things.

      • is that the reason why we need this? if I don't drive on roads I need to know my tyre psi?

        • You don't need TPMS cloudy

    • I use TPMS in my 4WD, more so when off-road. Other city cars in the family don't need one.

  • Looks like I am the only one who measures in "bar".

  • "Oh no, one of my tyres have suddenly gone flat! Thanks trusty tyre pressure monitoring system. Now to pull out the spare I haven't measured in years".

    • +2

      Or
      “Oh no, one of my tyres is abnormally hot! Thanks trusty tyre pressure monitoring system. Now to rectify the problem before a tyre is permanently damaged”

  • BTW - Don’t buy a Nonda brand one. Rubbish quality and Bluetooth to your phone which has horrible connection. Sensors break.

  • I 4wd a fair bit can you still unscrew the valves with these installed like usual?

    • +1

      Can’t comment on these ones, but most of the others I have seen have a locking nut but are still easy to remove. It might be worth looking at internal sensors or at least fitting low profile valve stems though if you drive technical stuff or like mudding.

  • -2

    We get our mechanic to check the tyre pressure for free at every service.

    • We get our mechanic to check the tyre pressure for free at every service.

      Every 6 months or some car 1 year? Too long.

      • It's either at 10000km or every 6 months. Which ever comes first.

    • Because it as too hard for you to do it yourself?

      • Because the tyres doesn't leak air pressure.

        • Because the tyres doesn't leak air pressure.

          What kind of tyres you have?

          • @superforever: Dunlop on our business vehicle and commercial tyres on the company ones.

    • you're insane and ruining your suspension and tyre treads

  • I read few reviews mentioning that most of these TPMS devices gets jammed and locked to the pressure value after few months and then it requires the headache and expenses of getting the whole valves replaced. What does other think about it, especially those who have actually used it. Appreciate if you can mention the brand you used as well.

    • I have tyredogs and no issues .

    • These sensors are just screwed in, if more so the issue is them becoming loose instead of got too tight.

  • Would definitely buy if it worked on PSI

  • Any idea what the lowest pressure is these measure ?

  • Good price but not for me currently with driving habits

  • Can it show pressure in PSI?

  • +1

    I find it odd that we use psi which is imperial in a country which has adopted metric. At least a BAR is 100 Kilo Pascals which is metric.

    • True. We quote alloy wheel sizes in inches too. Maybe it's a tyre thing.

  • Cancelled the order after realising that there is no conversion to PSI. They refunded after a week and did not return shipping charges even though they haven't shipped it! Will contact Paypal and see what they say.

    Edit: They sent a separate refund of 7USD after a few minutes.

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