This Lloytron B9302 Automatic LED Plug-in Safety Night Light provides security and comfort. It can be plugged into any standard AC mains supply and a special sensor is able to detect when it is low light outside. This low light activates the sensor so that it comes on automatically whenever it is dark. When dawn breaks, you dont have to worry about getting up and turning it off because it has an auto function for turning off too. This safety night light covers all bases and is a great device to have around the house.