Dual Motors, 2 Stages, Turbo Fan + 2 Cylinders LCD with Backlight, Water Resistant Design Max Pressure-11 PSI, Max ... Air Pump -80D- Real Time Digital Pressure Gauge, LCD Display with Backlight- Dual Pressure Display, Real Time Pressure Mornitoring- Digital Control Set-Pressure ... GP-80 with the addition of a LCD Digital Display which gives a dual pressure display. Both the set point and real time ...