ScreenLogic2 Interface Wireless Connection Kit allows you to wirelessly connect the power/load center (poolside) with the protocol adapter (in-home) with no need to run the 4-wire communication kit (#520199). This is not a standalone control interface, you need to be installing or already have installed one of the below interface kits. If installing Mobile Digital Device Interface Kit (part # 520500) this kit (#521964) will eliminate the need to run the 4-wire communication kit (#520199) from the power/load center (outside of the home) to inside the home. If installing iTC35 Kit (part # 520502) this kit (#521964) will eliminate the need to run the 4-wire communication kit (#520199) from the power/load center to the Touch Screen device.