This component has 4 connectors for controls (inputs for switches or push buttons). It allows you to connect any push buttons so that you can dim lights, turn on/off or call up scenes.
LMS ZIGBEE INPUT UNIT 4B
How to use it in the LMS design?
The Zigbee input unit can be connected to our Wireless Zigbee solution in the same way as our push buttons. Push sequence is: Long push - Short push - Long Push - repetition of short push until the switch has been detected and appears in the app.