Perfect for Class B Motorhomes, this rugged tire inflator boasts a standard duty cycle of 25 min @ 30psi and inflates 255/70/19. 5 tires from 80 to 90 psi in less than 2 minutes. Includes a 120-psi pressure gauge, dual battery clamps, LED work light / indicator light and a pre-installed 20' extended air hose. Weighing in at under 5 lbs., this is the perfect tire inflator for most class B RVs on the market. 00089 / 89P-RVS.