Small 2-channel mini manual transmitter SMILE 433 MHz, can be used as a key ring.  Dimensions 27 x 54 x 11 mm. This remote control either has acode of its own or it is programmed on the following radio control (no rolling code). This remote control is compatible with (e.g.):

It is possible to teach-in signals of different remote controls with 433,92 MHz (AM), e.g. for example on one button Dorma and on the other button Faac (Attention, no rolling code remote control).