The emergency strobe type MFLA5 is a small explosion protected Ex ia LED based battery powered self-flashing strobe designed to be used in evacuation applications in hazardous areas such as underground coalmines. These applications include but are not limited to the indication of emergency egress routes and the marking of refuge chamber and oxygen rescuer cache locations. The MFLA5 emergency strobe is designed to be installed in long cable strings or daisy chains spaced at 50 to 100 metres apart.