Inside the box of the Freikometer v4. The speaker and rfid antenna are shownenlarge 47kbprint 3194kb
View of the post attachment, solar controller and key attachmentenlarge 69kbprint 3651kb
Battery pack design before it was changed to not use the top.enlarge 65kbprint 3406kb
The outside of the box with the keyswitchenlarge 74kbprint 3872kb