The all new air management system from Air Lift Performance 3H uses pressure sensors and height sensors to provide the most innovative air suspension control ever. The 3P systems come with the Air Lift Performance 3 controller, a device that is truly amazing to hold and to use. Take full control of your 3H system with a FREE mobile app with no additional hardware needed, for all compatible devices. By combining the ECU, pressure manifold, and Bluetooth module into one compact unit, the new manifold takes up less space than multiple components. The system quickly adjusts to and maintains height pressure presets with the push of a button.