You need a nightlight that will never, ever let you down and the UV Nitelite is it! This rechargeable plastic outlet cover will glow in the dark all night long and then recharge during the day by absorbing any light. It’s perfect for providing some light to rooms at night, especially, the bathroom because it is completely reliable. Made of non-toxic materials, it will last forever because it never wears out! It is 1 1/2” in diameter.