The Air Alert is an ingenious device that alerts drivers when their tires are getting low. When tire pressure dropped 4 psi from the original pressure, the small alert valve cap immediately flashes to improve safety and fuel efficiency. Air Alert replaces the standard tire valve cap and immediately flashes brightly, visible to the driver from any angle approaching the vehicle.
More accurate and immediate than other tire pressure warning systems, and at a fraction of the cost of other systems, Air Alert is the best and most cost-effective tire pressure monitoring device available.
Air Alert retails for $34.95 ($39.95 w/ anti-theft protection feature) for a set of four and can be purchased online at automotiveupgrade.com, via phone at 877 293 3714 or at retail stores throughout North America.