The 47294 brake control utilizes proportional braking technology for safe and smooth stops, making you feel like you aren't even towing a trailer! Easy gain adjustments and a digital display will make setting this brake control a snap. Five On-the-fly sensitivity settings allows you to adjust for trailer weights and weather at the press of a button. Most states and provinces require a trailer brake controller based on the weight of the trailer. Product Features:Proportional brakingFlexible mounting options- self levelingPercentage of braking power shown5 sensitivity adjustmentsIntuitive vertical manual slideShort Proof ProtectedControls up to 8 trailer brakes