Since our company was founded in 2012, we have established factory registration and technology research institute to develop IOT (Internet of things) products such as LED stands, traffic light speakers, sound alerts, jellyfish, spacecraft lamps, Based on this, we have 7 patents, 2 trademark registrations, and 3 design registrations Our products are developed with the support of the Small and Medium Business Administration and developed as a patented technology for transmitting voice and electric power through 2 lines. We are supplying to the construction company. The sound alerting system uses the patent to convert the sound signal to light There is no similar product in Korea, and it is being delivered to Korea National Information Agency.