US Wall Switch Relay 20A - 200 upt.Provides wireless RF ON/OFF (or manual) control of any light or lamp connected. • Can control two groups of 5 modules each independent of its own state. • Can replace current wall switch and can add 3-way or 4-way capability. • Each ZRW103 Wall Mounted Switch functions as an automatic repeater to other Z-Wave Modules to ensure full home coverage of the RF signal. • Supports the Powerlevel command Has automatic Static Update Controller (SUC) capability. This product supports 40Kbps data transmission. This product can also be used for networking support in systems that stream metadata. An example might include transmission of information from audio devices such as song album information to various displays around the home.