FS08 series controller is LCD display digital PID controller, vivid LCD display for easy to read from distance, True universal input, works with TC/RTD and analog input, relay and SSR Drive output field selectable makes it suitable for most of industrial application, comes with different size, 48mm*48mm, 72mm*72mm, 96mm*96mm, 48mm*96mm, a lot of add-on features like auto/manual control switch, parameter resets to factory default, RS-485 optional, customized parameter layout, makes this a competitive cost-effective PID controllers on the markets