8Pcs 2.2Bar 32-to-35 PSI Car Tire Pressure Monitor Valve Stem Caps Sensor Indicator Easy to Read 3 Color Eye Alert

These little valve caps are a fantastic solution for one of the most annoying 'features' of cars from a certain era: the TPMS light that tells you a tire is low but not which one. Trying these out on my older vehicle has completely eliminated the guesswork. Now, instead of having to check all four tires with a gauge every time the temperature drops and the light comes on, I can just take a quick glance. The simple color-coded system is foolproof; if it's green, you're good to go. It’s a huge time-saver and provides incredible peace of mind, especially for family members who may not be as diligent about checking their tire pressure. I was so impressed that I've found uses for them on more than just my car. They work perfectly on my bicycle tires and are a game-changer for my trailer, where low pressure can be notoriously hard to spot by eye. The real value of these caps was proven recently when one alerted me to a slow leak from a screw I had run over. I caught the issue immediately, long before it could have become a flat or damaged the rim. It’s a simple concept, but it works exactly as described. Receiving a pack of eight gives you enough for two vehicles or plenty of spares, making this an excellent and practical addition to any car, bike, or trailer.

Pretty cool! These do what is claimed they do. No guesswork, no pressure gauge, just a quick visual check and done: the tires either need air (yellow or red) or they don't (green). They seem durable. They're easy to twist on or off. For the price and peace of mind, they're absolutely worth it. I'm pleased.

They work as stated. However they take a minute or two before they show the right indicator.

Works exactly as promised! One less worry when it comes to your car. Got these for my kids car and my own. Easy to put on, easy to see the colors.

They do what they are supposed to do. My sensors for tire pressure are out and I put them on it shows red for low tire pressure. I added air and it now shows green for safe. Good value for 8. I used them on 2 vehicles. Good purchase.

The product works as described but adds significant length to the total valve stem. I went to the car wash for the first time after installing these. I pulled the car forward into the car wash conveyor and channel rail for the driver side front tire. The valve stem stuck out too much and promptly got ripped off by the channel rail causing a flat tire and lots of unnecessary grief for me mounting a spare and getting my wheel repaired. Returning these.

Regular

great idea!