This power supply is an axillary item for the Centipede Power boxes. You will need the power supply if you expand your system by adding any Pods to Model 216, or if you need more power for the relay, or 3volt Viby pods of a model 416 or 416-AC.. In most cases, a single power supply is all you will need, regardless of how many pods you connect. The power supply is rated for 100-240 VAC at 50-60 Hz. Check out the Centipede Owner's manual at http://centipede.serve101.org/
This item is shipped directly from the Centipede manufacturer.