YUS1-63NJT is our company’s latest research and development of small household dual power automatic switch, known for small size, easy to operate, this product is easy to connect, and equipped with a flame retardant shell, many who use at home, can also be used in shopping malls, emergency lighting use, YUS1-63NJT can be used at -20℃~70℃ temperature normal use. Can solve the problem of power failure