Hopkins INSIGHT brake control works on trailers with electric or hydraulic brakes. Features advanced proportional technology that mirrors the braking of the tow vehicle for safe, smooth stops, and short-proof protection for up to 8 trailer brakes. With multiple mounting locations in your vehicle, the separate components mount where you want them, with no drilling required. Allows you to keep your eyes on the road, with controls in easy reach. Includes digital power and sensitivity settings.