Dakota Digital Electric Fan Controller, 150-250 Degrees F, Adjustable Module Hooked up once and runs one or two Electric fans great. Only used once with car driven around the block and nothing wrong with it and it turns on one fan or both based on Temps you want to set it at. Decided to go a little bit different route with cooling system so it is not needed now. Paid $125.00 will let go for $60.00 and the ride. Please PM me.