The Flex ONE set includes a Classe 300 X13E handsetless video home station in white with a 7-inch (178 mm) touch screen, WLAN connection, induction loop for hearing aid users, and answering machine function with audio/video memory. In addition to standard functions such as call, video image, open door, internal speech, switching functions, and retrieving additional external cameras, the home station can be connected to a smartphone via WLAN. With the DOOR ENTRY app, complete functionality (conversation, video, switching functions) can be controlled via smartphone, whether at home or on the go. The set also features a modular flush-mounted door station SFERA Allmetal made of aluminum with a special Night & Day wide-angle camera. The protection class is IP 54, and the impact resistance is IK 08. It is supplied with two covers (for one or two call buttons) to expand the set for a two-family house.