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 buzer flashing. It operates on DC 24V and has a diameter of 50mm. Additionally, it has a 5 wire 40cm short cable and M30 screw type connection, and can be used in either PNP or NPN wiring mode. The bulb also has a buzzer red flash function and a black anodized aluminum lamp body.