Engager Small Brake Away Kit

* Activates trailer brakes upon separation from tow vehicle. Convenient test button verifies battery charge. LEDs indicate: fully charged, re-charge, or charging. Built-in battery charger. Charges battery while plugged into vehicle. 1 to 2 axle capacity. 5 amp hour battery. Trailer break-away kits are legally required inmost states and provinces. Includes: charger, switch, cable/pin, and mounting screws