Turcom Smart Home Dual Relay Z-Wave In-Wall On / Off Switch Relay Module for Responsive Lights, Appliances, and Applications (TS-11989) In Wall Switch sends On/Off commands to your appliances by receiving Z-Wave signals from the controller. You will be able also have a manual on/off switch to turn the appliance on and off Control lights or appliances using a Z-Wave In-Wall relay module. Easily integrates smart home technology without rewiring your entire house! Extremely small size! Allows you to turn devices on/off remotely, trigger devices (motion detected lights for example), and supports manual on/off. Simply connect the in-wall Z-Wave relay to a light switch and/or existing appliance to create a more intelligent home. All necessary instructions are included in the box! If you're integrating other relays or modules please ensure they run on Z-Wave protocol (they should be registered with Z-wave)