Check tire pressure in a flash! The LED AirGuard tire pressure monitoring system flashes red when tire pressure is low. Simple to install; inflate the tire to the correct PSI, then twist the LED capsule onto the valve stem and you're done.  LED AirGuard Set & Go memorizes pressure when initially installed and can be easily recalibrated by simply removing and reinstalling.

• Ultra-bright LED allows for visual checks of each tire, even in daylight
• Optional anti-theft locking system included
• Red LED flashes when PSI drops 5 to 10 pounds
• Can be used on any tire pressure between 10 and 200 PSI
• Proper tire inflation can save an estimated 3% to 5% in fuel costs
• Helps to keep trucks & fleets CSA compliant
• Complies with the NFPA 1901 & 1917 Standards for ambulances and fire trucks
• Battery powered, not replaceable
• 2 year manufacturer's warranty
• Sold as a set of 6