Wiesenfield WIE-CCD-100 Bedienungsanleitung Seite 37

Connecting 6V/4xAA batteries
Cables for connecting to different types of batteries are included in the set.
Depending on the user's choice, connect the cable plug to the PCB and the other end
to the AA battery compartment or to the 6V battery (in this case, attach the terminals
to the appropriate poles of the battery).
The drawings show the connection to a 6V battery (not included):