"1+1 "socket / socket

The office or school always meet power failure problems. When power
failure happens, most people are still working."1+1" socket can solve the problem, during the daytime, the" 1+1" socket can be used as a socket, it also charges for its emergency lamp. If the power failure happens, it can quickly serve as an emergency light. The plug can change itself between two apertures and three apertures to save the space.