I am very pleased with this system. The programming setup is reasonably easy. I used the off the vehicle setup option (2). The unit does a great job of keeping me aware of the current status of my tires.
I would buy this unit again.
The range of this unit is very good. I do not have any repeater or range extender. I purchased this TPMS for our 30' Class C motorhome, tow dolly, and towed vehicle. Total length is 55+ feet when towing. The unit reads my tow dolly sensors when it is stored behind the shed. This is 90+ feet away and it also reads my towed vehicle while it is in the garage. This is 75' in another direction.
I recommend taking the time to use the numbered stickers which are supplied (place them on the sending unit not the anti theft cap). Once the stickers were in place I coated them with clear nail polish to help protect them from the weather. Once the programming was done and the nail polish dried all I had to do was install the numbered (1, 2, 3, etc.) sensors at the proper tire position.
All TPMS' take time to acquire the sensors when you turn them on, therefore, do not expect to turn the unit on and drive away. I recommend turning it on before you go out to clear your site and stow your gear. Sitting waiting for all the sensors to respond is like watching water boil and just as productive.
Be aware that weather temps impact your tire pressure. These units will sound a warning if the impact of weather temp changes is sufficient to trigger an alarm. This is a good thing in the morning before you get on the road.
Also, if you decide that you want to change your standard tire pressure due to axle load or whatever remember to put the new numbers in the TPMS before you hit the road (do not ask me how I know).

As new RV owners we were very concerned about tire pressure and failure on tires. After some research we found this to be the best deal and proven in the RV world to do what is says, reporting your tire pressure and temperature.
The whole set came in a attractive box with the right amount of sensors including a mounting bracket and power cables.

Setup was easy but you have to read the manual! (I know a daunting task) I did set it up at my desk after numbering the sensors. 6 of the sensors were mounted on my 40 foot RV and 4 on the towing vehicle. I did not use the anti theft shell and tools. I used some Permatex 81343 Anti-Seize Lubricant (Available on Amazon) before I put the sensors on my valve stems to prevent corrosion. The valve stems on my RV are metal as that are the advised stems to use. A few minutes after installation the tires did report in with the pressure and temperature so that was fairly quick.
Also the vehicle I tow reported in soon after that.
I mounted the monitor on the windscreen of our RV, somewhere in the middle so my wife can also see it to be sure we pay attention. On our recent 200 miles trip we had a good idea of the working. Naturally the pressure and temperature went up on all tires.
Surprisingly the right tire of our towed vehicle was the hottest of all the 10 tires. After some tinkering we notice that the RV exhaust is in front of that tire. We have a Diesel Pusher and the exhaust is very hot. The tire did not get really overheated but was about 10 to 12 degrees more then the other tires of the towed vehicle.
On our day of return I decided to bring all the tires on the right pressure. Some of them were off a bit. Be aware that you can easily unscrew the metal valve stem with the sensor when you remove them so keep an eye on that. I left one sensor of on purpose to test the scenario that there was no air pressure. The monitor was beeping loud and the red light was on so this was a good test to have trust in this system.
The total length of RV, tow-bar and towed vehicle is about 53 feet, the monitor reported the tires of the towed vehicle all the time so no issues there. When the batteries get older I might or might not see drop-outs, time will tell.
Conclusion:
Easy to install reliable reporting, great view on the monitor and good for your your peace of mind.

*I did not receive any incentives from the seller and I am not affiliated with the seller or manufacturer in any way. This review is my honest opinion.
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I'll have to say I was impressed with this product. As a full-time RVer, we decided to fork out the chunk of change for these. Our RV tires are about 4+ years old now and the cost to put new tires on the rig was going to run us upwards of $4000. Ouch. So we plan to monitor the tires more carefully.

The documentation (including helpful youtube videos) was excellent. Getting the system set up was fairly simple. Getting the pressure monitor gizmos on the tires was a bit more challenging. I had to buy some L shaped tire stems for the rig's inside back tires in order to get the gizmos to fit--the existing stems were too close to the rims. Then it took some practice with the included gizmo-wrench to get the monitors on the rig's tires without loosing 5lbs of pressure. I recommend you have a tire-inflator handy to refill the tires until you get this down. I learned to fill the tires with about 3-4 more pounds of air than I wanted. I would loose that much air as I screwed the gizmo on the tire stem.

I mounted the monitor on my RV dash with the included suction-cup thing. Works great. Now as we go down the road, the wife monitors the pressures and temperatures on our tires--on both the rig and the tow car. Knowing the state of your tires is a good thing.

Great product.

I am pleased with both the product and the support provided by EEZTire. I purchased the 10 wheel unit for our 41' motorhome and towed SUV. We are 60' overall, and the monitor is picking up all tire sensors reliably. I'm writing this after our first trip of 1,100 miles and two months of ownership.
The manual's quality is well above average. The page layout is professional, the images are clear, and the font is comfortable to read. The setup process is clearly documented with a step-by-step procedure that is easy to follow. Operating instructions were thorough as well (e.g., temporarily excluding the towed vehicle's sensors).
The monitor screen is large and easy to read with a display that shows tire pressure and temperature for each tire defined to the system in a rotating sequence. Our previous tpms system just had dark red blinking lights that were difficult to see in bright sun. I think the ability to set custom alerts for each axle is also critical. For our previous unit, you could only set the desired tire pressure, and it used a default 20% low alarm level. This is far too wide a range in my opinion, and Michelin would consider this level of under inflation as voiding the warranty. This system already saved us a tire failure (plus wheel and other damage?) on our first trip. We had a slow leak repaired on our "toad" before we left, but the repair failed. The tpms alerted us to low pressure in time to re-inflate the tire on the road and get to a repair shop.
I've called tech support twice with simple questions. Both times the tech was knowledgeable and professional. My questions were answered, and I'm a happy customer.
My only caution would be on the high temperature alert. The manual suggests leaving the default at 158 F. After running 1100 miles of mostly highway driving, I never noticed the temperature over about 20 degrees above the ambient temperature. I plan to lower this alarm for my own use.