Utilizing the primary sensor technology from Prodigy, the Primus IQ now includes the "Boost" feature that gives users the ability to apply more initial trailer braking when towing heavier trailers. Warning: This product can expose you to chemicals including lead or di(2-ethylhexyl)phthalate or other chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.
eBay