Wireless card switch with pure white glossy surface mounting 84x84x29mm or for mounting in the E-Design switch system*. Generates the energy for radio telegrams itself, therefore without connection cable and no standby loss. Smart home sensor. When inserting and removing a hotel door card (Hotelcard/Keycard) in the standardized credit card format 86x54mm, a radio message is sent to the Eltako building radio. The two-part card guide, a R1E frame, a mounting frame, a mounting plate and a radio module are included in the delivery, and two screws with dowels are included. Screw-on mounting: First disassemble the completely mounted card switch. To do this, remove the screw, unhook the card guide and remove the intermediate frame, including the transmitter module, by loosening the retaining brackets at the top and bottom. Secure the holding plate by screwing it on. Clip the frame with the cut-out sections at the top with the intermediate frame including the transmitter module, with the rear