The Imergency Sensor Signal Light Bulb is an ideal choice for industrial automation, providing both reliable and efficient lighting. This light bulb features one level and four lighting colors: green, red flashing, orange, and not including buzer in this part number. It operates on DC 24V and has a diameter of 30mm. Additionally, it has a 45cm short PVC Cable and M22 screw type connection, and can be used in either PNP or NPN wiring mode. The bulb also has no buzzer, and red steady function for external control and a black anodized aluminum lamp body.