Installation: Customized Service: Quality: I highly recommend the seller, very good contact, I ordered the goods in January and received them in mid-March. The package was well packed in a double box, the fan is very well made, no instructions for connecting to smartlife, but that doesn't cause any major problems, connecting to smartlife took me 1 minute. I am very pleased with the fan's functions, in short I received a product with functions that I didn't know about when buying (a nice surprise)