1.INCLUDE: Built-in LED battery meter battery box, breakaway Switch, 12V lithium iron phosphate battery is included in this break away system kit.
2.BATTERY: This electric trailer brakes kit is run by a 12 volt 5 amp 40 minutes Lithium Iron Phosphate Battery for two wheels.
3.INSTALLATION: Breakaway system installs on your trailer and breakaway switch installs on your trailer's frame. Not include screws.
4.EASY TO USE: Breakaway system activates your trailer's electric brakes if the trailer disconnects from the tow vehicle. Activates trailers brakes upon separation from tow vehicle immediately to ensure a safe stop of the trailer.
5.Note: How to test if it's wired correctly to engage the breaks when you pull the key? Jack a wheel up and spin it, if wired right the tire will spin. Pull the key out of the break-away switch and see if the tire spins or stops (this should engage the breaks). A breakaway system is required by law in most states for trailers that are equipped with electric brakes .