Z-Wave unifies all your home electronics into an integrated wireless network and helps them talk to each other. It can be added to the network,and making your home electronics fully compatible. The ZWN-RSM1 Switch Module is a component of lighting control system, it can’t be used separately but should turn an existing switch into a Z-Wave switch. This ZWN-RSM1 module is a Z-Wave enabled device and fully interoperable with other Z-Wave certified device from other manufacturers and/or other applications. In a Z-Wave network, each device is designed to act as a wireless repeater. Once the ZWN-RSM1 module is installed and setup with in your wall, it will retransmit the RF signal from one device to another until the intended device is reached. This ensures that the signal is received by its intended destination by routing the signal around obstacles and radio dead spots.