HL HAECHIE is an innovative device that detects ultraviolet radiation emitted during arc occurrences, which are a primary cause of electrical fires. By accurately sensing UV-C with advanced semiconductor technology, it enables electrical fires to be detected early and prevented without malfunctions. HL HAECHIE's wide detection range, compact size, and easy installation mean it can be applied to both small electronic devices and large electrical systems. In an increasingly electrified world, it introduces a new paradigm in fire prevention, providing a safer environment.