Smart plugs let you control connected electronics and lights. You can do from your smartphone or you can create automatic rules from your Hub
Dimmer plugs can control the intensity of connected lights. Set the lights to the level you need.
Smart plugs with metering function can calculate the power consumption Kw/h of connected devices.
All the plugs have a button just in case you need to switch on/off from the local site.
The Z-Wave network has a mash configuration, so the smart plugs can be used as a signal repeater by other Z-Wave accessories to extend the wireless signal till the hub location
You can use the wireless wall switch to control your smart plugs locally. There are 4 different commands you can create: short press up, short press down, long press up and long press down. To customize the 4 commands create a scene from your hub interface and select the event and the action performed by any smart plug (ex turn on TV, turn on a lamp).