GlowShift Black 7 Series Dual Digital 220 PSI Air Pressure Gauge Kit - For Air Ride Suspension Systems - Includes 2 Electronic Sensors - Blue LED Display - Clear Lens - 2-1/16" 52mm 2 1/16 Inch (52mm) Black Face Gauge with a Magnified Tinted Lens Two Blue Digital Air Pressure Readings from 0 to 220 PSI Two Electronic Air Pressure Sensors with 1/8th NPT Threads Mounting Hardware and Installation Hardware Free Lifetime Technical Support & One Year Limited Warranty