Abstract: An audio sound is detected. The audio sound is determined to be indicative of a power source of a safety sensor waning. Based on the determination, first light is produced based on a reaction of one or more chemicals with second light from a light emitting diode (LED).
Abstract: An audio sound is detected. The audio sound is determined to be indicative of a power source of a safety sensor waning. Based on the determination, first light is produced based on a reaction of one or more chemicals with second light from a light emitting diode (LED).