The Draw-Tite Tow Ready Trailer Brake Wiring Kit includes a 25-foot 12-2 duplex wire, 20 Amp circuit breaker, and attaching terminals. The trailer brake control kit is designed for use with 2 to 4 brake control systems. The kit includes everything necessary to completely install all brake controls: (1) 20 Amp Circuit Breaker; (2) #10 Ring Terminals; (2) Ring Terminals 3/8-inch; (2) Ring Terminals 1/2-inch; (1) Butt Connector; (1) 12 Gauge Duplex Wire Black/White 10 Feet; (1) 12 Gauge Duplex Wire Black/Blue 20 Feet; (8) Cable Ties. The Draw-Tite Tow Ready Trailer Brake Controller Wiring Kit comes with a limited 1-year warranty. The Tow Ready product line incorporates T-One vehicle connectors, ModuLite power modules, electrical adaptors, and an extensive selection of accessories.