The information below applies to each unit in the pack AUTOMATIC LED PHOTOCELL SENSOR: Dreambaby Night Lights automatically turns on when it's dark and off when the room is light ENERGY EFFICIENT: Dreambaby Sensor Night Lights are ideal not only for nighttime feeds but are also energy efficient. Energy design features 0.5w low electricity consumption SENSE OF COMFORT: Dreambaby Sensor Night Light is a fun way to add a sense of comfort and security to bedtime for your child, who might feel scared in total darkness EASY TO USE: Simply plug the LED night light directly into any standard UK electrical outlet and enjoy instant illumination in dark;, no batteries required VARIETY OF APPLICATION: These Motion Sensor Night Light are Ideal for the nursery rooms, bedroom, kitchen, or stairways