The Doran PressurePro Tire Pressure Monitoring System from Doran Manufacturing continuously monitors pressure of all vehicle tires and displays them in a digital readout in the vehicle's cab. The pressure of up to 34 tires is shown, allowing the driver to monitor leaks and schedule repairs or replacement without breakdowns or downtime. Audible and visual alerts notify the driver of low-pressure conditions. Doran PressurePro features duplicate signals that minimize the effects of electronic interference, weather and other trucks, making it ideal for service department trucks, off-road vehicles and government fleets of all sizes.