Check the listing for details. CURT Echo In-Line Trailer Brake Controller With Bluetooth Connection Part# 51200. Color: White, Condition: New, Made in Mexico. Listed at 432.95 USD. MUST READ FITMENT NOTE: IF BLUETOOTH CONNECTION IS LOST, THE BRAKE CONTROLLER WILL CONTINUE TO FUNCTION SAFELY, USING THE MOST RECENTLY PROGRAMMED SETTINGS. NOT COMPATIBLE, BUT WILL NOT INTERFERE, WITH APPLE CARPLAY OR ANDROID AUTO.WARNING: AVOID DISTRACTED DRIVING. ONLY MAKE ADJUSTMENTS WHEN THE VEHICLE IS STATIONARY.. || Description: Bluetooth connection to control all brake settings from your smartphone Custom-designed app monitors brake activity and sends status updates Plugs in behind existing 7-way socket with USCAR connectors Waterproof enclosure seals and protects circuits against the elements Triple-axis, motion-sensing accelerometer for highly responsive, smooth stops Stores multiple trailer profiles Operates 2-8 trailer bra .