HYDROS Control XS Starter KitThe HYDROS Control XS Starter Kit is an ideal solution for monitoring critical aquarium functions without a lot of complicated set up or programming. The Control XS set includes a 4 outlet controllable strip for some basic outlet controls, as well as an independent power supply for the control module. The Control XS module itself includes four universal Sense Ports for aquarium parameter measurement and safety, so you have the freedom to choose what