Spectrum Integrated Proportional Trailer Brake Controller

Controls all brake settings with a simple push-button rotary knob
Clean, dash-mounted, OEM-style user interface with 10 tri-color LEDs
Main module can be mounted out of sight
Triple-axis, motion-sensing accelerometer for highly responsive, smooth stops
Easily accessible manual override with the press of a button
Features two installation options: drill mount or surface adhesive mount
Automatic leveling and calibration eliminate setup requirements
Plug-and-play install with vehicle-specific quick plug harness (sold separately)
Operates 2-8 trailer brakes at a time (1-4 axles)
Built-in reverse-polarity and short-circuit protection
Compatible with low-volt, PWM, ABS, and cruise control
Tow vehicle 'low voltage' and trailer disconnect indicators
Limited lifetime warranty

Notes:

Includes mounting hardware
Knob outside diameter is 1.9"
Patent #10,960,860