The KXH127 (B) language sound and light signal is mainly used for environmental signal contact and conversation in underground mine winch transportation and belt transportation. Frequent use and large dosage. The product is larger in size, heavier in weight, lacks the emergency stop function, and the dot button has not met the requirements in the explosion-proof chamber. The language sound and light signal alarm device is now updated to make it more convenient to use, internal and external The structure is simple. Compared with the original product, the volume is reduced, the weight is significantly reduced, and the appearance is simple and beautiful. Due to the increase of the emergency stop function, it meets the needs of customers in many ways.