Features Prodigy ID, the lastest in brake control technology. The in-dash rotary knob seamlessly integrates into your vehicle and features a digital diagnostic readout to quickly adjust settings. The Tekonsha EDGE™ mobile app lets you store settings for multiple trailers and drivers, switch between proportional or timed braking, receive real-time diagnostics and alerts and more! Easy-to-read diagnostics and alerts Manual override using rotary knob Works proportional in reverse Suitable for any trailer with up to 4 braking axles