This pressure monitoring alarm is an excellent automotive addition for any driver. As a result of my tests, I determined that this product is reliable and did not fail me even after long journeys. The wireless feature makes it easy to install and maintain while on the go. The alarm is loud enough to notify me if something is off with my tires. It was a relief to know my tire pressure was monitored without having to leave my car. The only downside is that it is relatively expensive compared to other monitoring devices. Overall, I highly recommend this product for its convenience and safety benefits.