Well, for me--- needed one ASAP. BrakeSmart and Jordon were not available locally and the Tekonsha products were. The Prodigy was not approved for use with my electric over hydraulic set up but the new offering, Primus, was. Purchased and installed --- and for 9 bucks got a model specific jumper cable to connect it. This thing is excellent. My previous controller was a time based POS and there is a huge difference in braking experience. .