About this item Conveniently toggle power of ATX power supplies with this illuminated LED switch adapter cable. Suitable for testing power supplies, purging air in water cooling builds, and as a toggle switch for alternative uses of ATX power supplies. The 19mm RED LED switch features removable connectors for panel mounting. Robust Construction: RoHS compliant with all-black connectors and high density black nylon sleeving, offering durability and a sleek look. Total cable length (including connector and switch) is 5.24 x 3.23 x 0.59 inches.