I never imagined this unit gained in trade, of course, because of the holiday. - Ok 12/24 hour clock itself, however, is complicated in certain light settings because you have to do wenns light comes from the timer. - Since the part is with me on the glass cover of the basin (is not to entrench itself) thereby increases the humid steam in the feed bin -> Glued the lining ergo no feeding -> Quick mold (I myself was scared) So NEN several weeks holiday I do not recommend because, in a few days ists sufficient because hängts but on how many water inhabitants to feed are because: - Like Taken flake food is unsuitable because the flakes are too large, and loosely zerkeinern shake and other foods plankton etc (fine feed) mix makes it loosened up and slides better through the opening.