Check the listing for details. Electric Trailer Brake Controller 51140 Triple Axis Accelerometer, Adjustable. Color: Black, Condition: New other (see details). Listed at 70.00 USD. The Electric Trailer Brake Controller 51140 Triple Axis Accelerometer, Adjustable is a high-quality and reliable device designed to control the braking system of a trailer. With its triple axis accelerometer technology, this controller allows for precise and accurate braking performance, ensuring safety and stability while towing. The adjustable features provide customization options for specific braking preferences, making it a convenient and essential accessory for any trailer hooked to a vehicle. Its sleek black design complements the overall look of the trailer and vehicle, making it a stylish and functional addition to any towing setup. ** (( Not used just opened for inspection *NEW* ))