-4 Connection Sockets serve 13A/250V/3120W, enable you to power up 4 electrical appliances together like computer, smart phone, ipad, printer, monitor etc. 4 way power extension with independent switch and indicator light, makes the process visible and controllable and you don’t need to leave everything powered on all the time, which is more convenient, secure and energy-saving.Surge protector with light indicates that the surge suppressor is working, protects connected devices from getting harmed when surge, overload occurs. This power strip is protected against overvoltage, overcurrent, overload, short-circuiting, greatly incarese safety for your use.With 2 keyhole mounting slots on the rear of the extension socket, fixed on the wall or hidden under the desk, which provides a great solution for space-saving and making the desktop tidy and well-organized.