ModuLiteA(R) HD Protector with Integrated Circuit & Overload Protection & 5-Flat Connector for Backup Light or Surge Brake Lockout Circuit Features:The unit is rated for up to 4.2 amps for Turns/Stops circuits and 7.5 amps for the Taillight circuit and 4.2 amps for Back-Up circuitDraws power directly from the vehicle battery and uses less than 5mA of the vehicle circuit for sensing to turn the trailer functions on and offWill work with either LED/Incandescent bulbs (vehicle & trailer)Has integrated re-settable Short Circuit and Overload protection, to safeguard itself and the tow vehicle from shorts and installation wiring mishapsDesigned not to send feedback thru the vehicle circuitsThe trailer brakes will override the hazard lamps when the brake is activatedThe taillight circuit has been upgraded to work with vehicles that use a pulse width modulation (PWM), this will allow the converter to turn on fully and gives the trailer lights full brightness during activationWill work with most vehicles that have a multiplex system for lightingWill not work with vehicles with low-side switchIntegrated 5-flat electrical wiring connector. Fifth circuit added for surge brake lockout or backup light circuit on trailers (some units will come with a 5-way cap. Mounting bracket sold separately)Can be used on a 2 wire or 3 wire systemAll solid-state components in potted encapsulationIncludes integrated protective coverWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.