To prevent the loss of a remote controller when removing it, by fixing a remote controller holder onto a wall surface, and by providing a remote control stopper for preventing the removal of the remote controller at the upper side of the remote controller holder so that it can be freely attached and detached manually.

A remote control holder 2 for sliding a remote controller 1 upward for removal and for freely retaining it is fixed onto a wall surface 3, and a remote control stopper 4 for preventing the removal of the remote controller 1 is provided at the upper side of the remote controller holder 2 so that it can be freely attached and detached manually. Then, a stopper-fixing part 5 is provided on the wall surface 3 at the upper portion of the remote controller holder 2, a screw part 5c is provided at the stopper-fixing part 5, the screw part 5c is screwed, and the remote controller stopper 4 is retained by the stopper-fixing part 5, thus preventing the loss of the remote controller 1 when removing it.