The reception was faster than the time "evasive" delivery could lead one to believe: 9 days in total between ordering and receiving. Contrary to what is written on the site, the instructions supplied in the package is in German ... I do not practice. Some manipulations on the dashboard convince me of the facilities to the start up and to use. I have not tested the timer with 35 degrees outside, I do not have to envy :) No batteries for the remote control. Well, y 'has not always. No invoice or warranty card. There I like less. I write the seller to demand it all nicely. We quickly replied by joining the manual in PDF translated into French. Encouraging ... like what, you have to ask. Then comes an invoice-mail. I would have preferred a PDF, but I will content, recording the invoice in PDF via email the print function ... By no response against the guarantee. I recontacted the seller. Answer quickly and new summary: the devices are guaranteed for 2 years. I must content myself with this lapidary answer. Brubaker by AC Electronics is a German company, known perhaps there ... I have not found any website to their name. So we have to trust them. In any case they respond quickly, this is a good point. It remains for me to go read the leaflet in French after printing. :)