Signal transmitting device

The utility model discloses a signal transmitting device, including shell, circuit board, infrared transmitting tubes, display module, power module and button portion, the circuit board infrared transmitting tubes with power module locates in the shell, the shape of circuit board with the shape of shell is the same, be equipped with three fixed orifices on the circuit board, be equipped with infrared signal launch hole and two concave parts on the shell, the circuit board includes the main control module and button module, the button with the button module is connected, the button module is used for sending according to the key value the main control module, the main control module is used for the basis press key value control infrared transmitting tubes sends corresponding infrared signal, the display module is used for the basis the main control module's instruction shows corresponding operational information. Signal transmitting device simple structure, easy and simple to handle, reliability and stable hig