The Pilot Light has a light emitting LED head assembly, which can glow when it is powered on.It is generally used for distribution cabinet and control cabinet to indicate operation status (indicating alarm and operation status).It is divided into TS2 series and TS6 series according to the panel mounting aperture. To indicate the function of each indicator, five kinds of color including red, yellow, blue, green and white and 9 different voltages are provided.