Compared with other products, the time switch is recommended. But: 1. I would like to not only the close evening but also during the morning Öfnnen the possibility of 60 min. to add ('offset'). Today (November) opened the Astro Rollo around 7:00 clock, 30 min. later it's still dark outside ... When the shade is also seen as a safeguard against burglary, which is not satisfactory. The absence of a year-round mitwandernden offsets I must constantly readjust. This is very annoying! And when traveling works not so. 2. At the beginning I had to try out a system connected in this state still has a connector. Den has someone reingesteckt mistakenly pulled and backwards again. Result: I had to buy the new machine, since the display stopped working. A diode (price less than 5 cents) more would have avoided this result. 3. I am looking currently for a system to which (ie not behind the single window pane but central to the whole house, such sensors are available on Amazon) takes a system-external light sensor to control the shutters, because the so-called. Astro Control (see above) me is too imprecise.