Remote controller
You can add 433MHZ and infrared remote controller support to you unit, and you will be able to control all the unit devices with remote controllers.
433MHZ
To add 433MHZ RF remote controllers support, you will need a 433MHZ receiver module, like SRX882 or SRN480R.
433MHZ sensors
Units with the 433MHZ feature activated will also support 433MHZ RF wireless sensors.
Infrared
To add Infrared remote controllers support, you will need an Infrared receiver.
IR devices
Any unit already has an IR device will automatically support infrared remote controllers using the IR device receiver, and in this case, no need to use an extra infrared receiver.