Z-Wave relay controller. Automate home pool covers, gas valves, water valves or sprinkler systems, etc. Provides radio operation of any device controllable by a SPDT relay. It allows integrating relay activation events in other home automation activities. A relay contact. A dry contact. It works with an AC power supply (110V ~ 230V). The LED confirms the operation and connectivity of the Z-Wave network. It works as a Z-Wave repeater. Easy installation. CE compliance