Abstract: A sensing device for detecting the presence of carbon monoxide in a selected space of concern and communicating with a remote monitoring device is provided. The sensing device comprises (a) a detection device configured to sense the presence of carbon monoxide in the selected space of concern, (b) a monitoring device remote from the detection device, for communicating information to an operator, and (c) the detector in circuit communication with the monitoring device, to transmit information from the detection device to the monitoring device that is related to carbon monoxide in the selected space. According to one preferred embodiment, the sensing device is designed for an aircraft. The remote monitoring device is the multifunctional display of the aircraft cockpit. In addition, in a preferred embodiment, a reset/retest actuator is connected with the multifunctional display, and is in circuit communication with the detection device.