Built in automatic dusk to dawn sensor lights up any area in your home when outside light sources are insufficient. Traverse your home with ease, in the middle of the night thanks to subtle lighting of these night lights. Night Lights contain a 0.5 Watt LED bulb that uses less than 25 cents of electricity per year. The LED will last up to 50,000 hours so there is no need to replace the bulb. These night lights will last you years to come. The compact size of this night light will not obstruct other outlets. It is perfect for hallways, bathrooms, kid’s bedrooms, stairways or anywhere else you need to illuminate on dark nights. This listing is for 4 units. Save money and the environment today by switching to these energy efficient LED night lights.