NATIONALMATER 0.5W LED Night Light with Automatic Dusk to Dawn Sensor for Kids Bedroom (4 PACK) Plug-in 110-220V AC input; No batteries needed Built-in light sensor only turns on at dusk and off at dawn automatically Comes in pack of 4, perfect for anywhere you need extra soft glow at night: kids room, bedroom, bathroom, kitchen, basement, hallway, entryway, laundry room, stairwell Save money on energy & bulb replacement. The nightlight uses 4pcs super bright LED, no bulb replacement. 12hrs each day Suitable for baby's rooms, hallway, bedroom, kitchen, bathroom, living Room, corridor