Here you can find information about your Smart Garden 9 and its initial setup.
The Smart Garden 9 dimensions:
23in x 5.5in x 11in / 59cm x 14cm x 28cm. (length, width, height, with one extension)
Without the extensions the height is 15cm/6in ; with two extensions 44cm/17in.
Download the PDF-file below for the Smart Garden 9 manual.