Description:-Long-life and reliable LED Indicator with Flashing Light and Buzzer.-LED for energy saving and low maintenance cost. High brightness and loud buzzer for easy recognition.-Screw-clamp for easy connection and strong conductivity. Flame retardant shell.-From electricity equipment to textile machines, printers, ships, mining machines, and everything in-between, these panel mount pilot -lights are sure to give you a visual status cue of any indication signal, a warning signal.