This model of carbon monoxide detector that is TSO certified and STC approved is the AERO 452 Remote. The TSO certified CO detector is the first remote-mountable carbon monoxide detector that is used for General Aviation. This certain model is a branch off of the Aero 452 model which is a panel mount. The AERO 452 R comes standard with remote re-set switch and is allowed to be installed behind your panel. The carbon monoxide detector comes pre-wired for connector to an external annunciator warning lamp that is located on the panel.