Review on 🔌 Wireless Solar-Powered TPMS with 6 Alarm Modes, USB Charging, and 4 External Sensors - Real-Time Pressure and Temperature Monitoring System for RV, Trailer, Car, and Truck Safety by Justin Hollins

I found this TPMS for under $25 so decided to try it on my golf cart. So far, so good. I live in a golf cart community where there is a lot of new construction in the area and the risk of snagging on a nail is higher than usual. I hope this device will help me keep track of tire pressure without having to constantly check it with a pressure gauge. I haven't found any of the listed sizes of this system to give me an idea of how to install it. Judging from the photos, it was about 5-6 inches wide with sensors about 1 inch in diameter. I was pleased to find that the display unit is actually 3 3/4" wide and 1 1/16" tall. It tapers to 3 x 3/8" in back and 3 1/16" in back. The sensors are 7/8 inch in diameter. the lowest setting for this device and about as low as would be safe for a golf cart tire. I use tires that are around 25psi, so I set the high pressure alarm to 35. The pressure gauge is accurate to within a few pounds. The temperatures are a little more inaccurate. In the picture shown the car was left in the garage overnight at 80 degrees (F), all tire pressures were checked with a dial gauge and showed 25psi on each tire. The display shows 2 tires at 23psi. inches and 2 tires with a pressure of 24 psi. Customs service. One of the 4 temperatures was exactly 80 degrees while the others were between 77 and 71. Pretty close. I would caution against using these pressure sensors on anything with rubber valve stems going at or above highway speeds. I saw a similar system on a motorcycle that caused old valve stems to buckle under centrifugal force and cause a leak. If you're using this at freeway speeds, I highly recommend using metal valve stems to aid pressure sensors at speed. on the golf course when it happens. I have another device on another cart that doesn't (yet) cause false alarms. I have 30 days so I'm returning it in exchange for an identical unit and fingers crossed.