Curt Echo Wireless Brake Controller - 7-Way Plug Mount w/ Bluetooth App - 1 to 2 Axle - Proportional

CURT Trailer Brake Controller - C51180 Proportional Controller Up to 2 Axles CURT Smartphone Display Hidden Bluetooth-enabled brake controller lets you monitor and control all your braking activity directly from your phone. User-friendly mobile app saves multiple trailer profiles, and the compact unit plugs in line with your 7-way trailer connector.   Features: Brake controller activates trailer brakes in proportion to your vehicle's braking action Automatically adjusts trailer's braking based on deceleration of tow vehicle ECHO Smart Control mobile app lets you set, monitor, and control all your braking activity Adjust sensitivity and max power output Press the manual override button in the app to control trailer sway or stop in an emergency Drive at night with the dark mode setting Reduce power drain on your phone by using sleep mode Easy to transfer between vehicles - great for fleets of trucks and trailers Create up to 5 vehicle-trailer profiles in the app LED lights on plug-in unit provide diagnostics for troubleshooting Fast, plug-and-play installation makes setup a breeze - no tools required Plug unit in between your 7-way trailer connection - no hardwiring Compatible with ABS brakes, cruise control, low-voltage wiring, multiplex wiring, and PWM systems Built-in reverse polarity and short circuit protection Plug-in unit, instructions, and quick reference guide included Bluetooth PIN for initial pairing to your smart device located in quick reference guide Assembled in the USA   Specs: Application: trailers with up to 2 axles (4 brake assemblies) Compatible with electric or electric-over-hydraulic trailer brakes Plug-in unit length: 6-5/8" Smart device OS requirements: Apple: 5.0 and newer Android: 4.3 and newer Limited lifetime warranty   Note: If Bluetooth connection is lost, the brake controller will continue to function safely, using the most recently programmed settings. This brake controller is not compatible, but will not interfere, with Apple CarPlay or Android Auto.