Fender FT-800 is a chromatic clip tuner designed to help musicians tune their instruments accurately and easily. It features an auto-off function to conserve battery life, and a calibration range of 420-460Hz to accommodate a variety of instruments. The tuner's clip allows for easy attachment to the instrument, and its clear LCD display provides a visual representation of the tuning process. With a tuning tolerance of +/- 1 cent, the Fender FT-800 is a reliable and precise tool for musicians of all levels.