Purchased a system with 8 sensors and then ordered a repeater range extender and 4 more sensors for a towed vehicle behind our motorhome. With this system, I am able to see all of my tires and the screen flashes each tire in order one after another starting with the right front. The system gives you constant tire pressure and temperature FOR EACH TIRE and you can program the system to alert you for overpressure or under pressure as well as a warning for overheating tires. Each time I turn on the system, it registers and works perfectly and I put the repeater in the back of our motorhome since it is 45' long and then the car is on a tow dolly - 2 sensors one the dolly tires and rear tires on our towed vehicle. There are more spaces in the unit available in case we switch to an enclosed trailer in the future with 6 more tires and this system will still work! This is a very good unit and I am very pleased with it after 2 seasons of camping and traveling across the country. Oh and their support is excellent too!

I had trouble with the installation. Support staff was great. Very responsive and patient with me. Finally have system working.

I purchased this unit prior to taking a LONG road trip pulling my travel trailer/camper. I had experienced a blow out in the past and was paranoid about having another one. I have waited until the trip was over to post a review. I drove from Tennessee to Montana and back, total mileage just short of 5000 miles, in four weeks.
This thing gives you piece of mind while towing. No more wondering what's going on with the tires. I set my tire PSI at 65 per the tire specification and could monitor as the pressure builds for normal highway driving, also the temps of the tires. They always were very close to each other which told me that everything was okay.
Mounting was not an issue and I did not use the anti-theft lock nuts. As you screwed the monitor onto the stem, you heard a momentary hiss before the seal was complete. I had programed the units prior to mounting. That is the most confusing part of the process and I had to read the instructions many times to fully understand. Once programmed, however, it was a cinch. Once the monitor is turned on, it takes up to 5 minutes or so for it to capture all of the sensors. That's a bummer, but during the trip I left the monitor on when I was doing consecutive days of driving, only turning it off when there were days of no driving. The unit automatically goes to sleep when you stop for more than 5-10 minutes and when it re-awakens it is pretty much ready to go, already having tire pressures ready. All it takes to re-awaken the unit is to jostle it a bit, usually opening and shutting the truck door does it.
The monitor cycles thru each tire and does not display all at once. It displays each tire about 5 seconds before going to the next. The display shows PSI and temp. I read one review and experienced it myself that when the tow vehicle moved away from the trailer, no alerts happened, the unit kept reading normal pressures. I don't know why that is, but it does. However, if you pull a monitor off the tire, simulating a blow-out/loss of pressure, the unit will alert quickly - maybe 5 seconds. I did experience an low pressure alert while driving that startled me and I immediately pulled over. Turned out it was my spare that had slowly leaked down to below minimum.
It comes with a cable to keep the monitor charged, but I started the trip with a full charge and NEVER plugged in the unit. At the end of the trip/month, it still had half a full charge.
Getting the windshield cup to stick took several attempts and much repositioning to find a good flat spot, but once stuck, it was there for good.
I was worried about range of sending units so I got the repeater and wired it to my trailer battery.

Update: 10-19-23 Finally got a chance to use them while towing. As others recommended, I simply turned the unit on while I was prepping to hitch up. By the time I was hitched, everything was reading as expected. Overall I am happy with this, I just wish the instructions stated it can take 10 mins or more to register initially. The display can be difficult to read if it's sunny, but it still gives peace of mind that I otherwise would not have.

Update: Per support and the description, the sensors are supposed to transmit every 5 mins. I tested them on my small SUV and it seems like it took a little over 10 mins to register all the sensors. I asked a question here on Amazon, and several people replied that this seems to be typical behavior. I had already requested an exchange on Amazon, so I'll give it another try and update my review after that. I just think if it can take up to 10 minutes or more then the description should be updated so folks like me don't assume something is wrong. Reading the description of other brands, the 5 minute transmit time seems about standard.

So far it's not reliably reading the sensors only standing 15-20 feet away. I deleted and re-added all of them. They will typically read immediately after pairing, but once I power the unit off and power back on, it doesn't recognize any, or only 2 out of 5. I checked the battery in the sensor and know it's not dead. I emailed support and will see what they suggest. Will update when I get a reply and a solution.

I bought this TPMS system for my 3 axle 28' THOW trailer about 3 years ago. I pull it with a 23' truck and it's been working great without needing a signal booster. A couple days ago, the power receptacle on my monitor got loose so I emailed vesafe customer support asking how to buy a replacement monitor. Without hesitation, they are sending me one for FREE! Not many companies will send you free replacements when you are out of warranty so this was a pleasant surprise. Highly recommend this product and this company.