This base unit with top cover is designed to be fitted with indicator bank to create complete tower light.It is supplied with 24V AC/DC and has a mounting diameter of 60mm.It allows clear display of the status of your machines.It complies with CSA, UL, RoHS, CE standards.It is impact resistant, dust resistant, water resistant, corrosion resistant, and vibration resistant thanks to its IP65.It makes it ideal for operation in harsh environments.