Tekonsha Shur Set III Breakaway System With 5 Amp/Hr Battery. For use on single double triple and quad axle trailers equipped with electric brakes Breakaway systems will automatically apply consistent braking power to your trailer brakes in the event of a breakaway Meet or exceed Department of Transportation (DOT) specifications Quick and easy to install Weather/corrosion resistant heavy-duty polymer case protects the battery Package Contents: Tekonsha 2026 Shur Set III Breakaway System With 5 Amp/Hr Battery Tekonsha 2026: Shur Set III Breakaway System With 5 Amp/Hr Battery