This Harmony XVB signal tower is supplied with 24VAC/dc and features a clear flash discharge tube with a flashing light. The flash energy is 10 Joules. It has a mounting diameter of 70 mm and consists of a base unit, light unit, and bulb. This complete light is designed as lighting accessory for tower illumination. The flash discharge tube provides a flashing light that allows for clear indication of the status of your machines in applications such as automotive, machine tools, material handling, packaging, assembly stations, and conveyor systems.