The Firestone SSAC FS145 is the most advanced Solid State AC controller from Firestone. It provides an advanced level of control over AC output in both AC and DC systems. The FS145 features a built-in digital display, touch-screen menu, and LCD control screen that allows users to conveniently monitor system parameters such as voltage, current, temperature, and other settings. It also offers programmable outputs and a range of input and output options. The FS145 is ideal for applications involving lights, pumps, fans, and other motor-driven equipment.