It does not work during the day， it will automatically light up in the dark.This product can work 110v-220v ， 50/60 HZ100%Brand new and high quality;Using LED as light source， energy saving;LED green lighting， energy saving and practical;This product is lit when the surface show bright colors;This product can be used for long life and low power night light ;Soft light， is watching TV at night baby care， convenient for the elderly ideal lighting， color night light;Low power， long life， functional and aesthetically pleasing for the night for added romantic.