Mount the control knob of this proportional controller on your dash and set up the main unit in an out-of-the-way spot. Unit works no matter its positioning. User-controlled mode is great for all types of terrain in all types of weather.

Mount the control knob of this proportional controller on your dash or console, and affix the main unit in an out-of-the-way spot. 3-Axis accelerometer ensures unit works no matter its positioning.

Proportional brake controller automatically levels when mounted within a 360-degree vertical range. Includes customizable LCD display, storable settings, 3 boost levels, battery protection and continuous diagnostics. Transferable between automobiles.

Proportional brake controller automatically levels when mounted within a 90-degree vertical range. Includes digital display, 3 boost levels, battery protection and continuous diagnostics. Easily transfer between different automobiles.

This air-actuated brake controller senses the amount of pressure that you apply to your vehicle's air brakes and then smoothly applies your trailer brakes proportionately.

Bluetooth-enabled brake controller wirelessly connects to your smartphone, turning your phone into a brake controller interface. Easily adjust braking power, get error readouts, and switch between trailer profiles with the control app.

Mount the control knob of this proportional controller on your dash or console, and affix the main unit in an out-of-the-way spot. 3-Axis accelerometer ensures unit works no matter its positioning. Wiring harness included for installation.

Proportional brake controller installs anywhere in your cab and at any orientation. User-friendly, dash-mounted control knob with 10 tri-color LEDs creates a clean, OEM look. Easily adjust braking output, switch between modes, and view diagnostics.

Proportional brake controller operates via bluetooth for simple transfer between multiple cars or trucks. Includes automatic-leveling sensor, boost feature, portable remote and continuous diagnostics. Compatible with multiplex wiring systems.

Electric brake controller installs on your trailer - no box to get in the way in your cab, and you can easily switch between different tow vehicles with no extra setup. Adjust power settings to suit your trailer weight and desired braking intensity.

Proportional brake controller features large, high-quality 1-1/2" OLED screen that displays full-text readout. Includes 9 sensitivity settings, reverse polarity protection, and continuous diagnostics.

Brake controller activates trailer brakes in proportion to deceleration. Plug-and-play design automatically syncs to your vehicle's computer network for precise, repeatable braking. Low speed brake adjustment. No directional mounting required.

Brake controller engages your trailer brakes with a preset intensity when you apply the brakes in your vehicle. Power output and braking aggressiveness can be easily adjusted with built-in buttons. Includes digital display and manual override.

Economically priced brake controller automatically engages your trailer's brakes with a preset intensity when you apply the brakes in your vehicle. Power output is easily adjustable. Includes LED indicator and manual override.

Brake controller activates trailer brakes in proportion to deceleration. Large digital LED screen clearly displays settings. Gain wheel provides preset levels of braking. Automatically levels when mounted within a 125-degree range.

Proportional brake controller can be easily mounted. Digital display indicates braking action of trailer. Fine-tune power adjustment has 5 levels so that you can set braking intensity to suit your towing needs.

Electronic brake controller automatically monitors tow vehicle deceleration and applies your trailer brakes proportionally. Reacts instantly to changes in brake pedal pressure and stops the trailer smoothly. Brake lights operate automatically.

Brake controller activates trailer brakes in proportion to deceleration. LED screen shows settings and diagnostics. Features 3 boost levels. Automatically levels when mounted within 90-degrees in the vertical plane.