Bonus Feature: Gauge Will First Display Vehicle Voltage for 60 Seconds. 60 Seconds Later Back to Air Pressure. 220 PSI Rated. DPI Of Digital Display: 1 PSI. If Pressure Drop Lower Than 110 PSI OR Higher than 220 PSI for 3 Seconds or More, Digital Display Will Flash for Warning. Comes With A High Accuracy Air Pressure Sensor, Mounting Hardware & Wiring Hardness. No More Dangerous High Pressure Air Line Under Your Dash. One Year Warranty.

Size: 52mm (2-1/16 In.) Dia.