CURT 52044 Push-to-Test Trailer Breakaway Switch Kit System with Battery

Activates electric trailer brakes in the event of a breakaway LED lights indicate a good charge, battery charging or low battery Compatible with trailers with up to three axlesYou may also like CURT RockerBall 2", 2" Shank Diameter, 3" Shank Length, Class III Automotive Hitch Ball, 7500 lb TW.