Reference : :
The advantages of Remote Control-Express:
|Number of buttons||4|
|Type of programming||Programming with the receiver|
|Type of battery||9V|
|Dimensions||11 x 7 x 3 cm|
|Battery and instructions included||Yes|
This remote control has a frequency of 868.3 MHz and does not contain internal programmable switches. If there are switches inside, then the correct model is the Dickert S20 868 A4L00.