Auto ON at Darkness or Constant ON - Featuring with smart dusk to dawn photocell sensor, the night light detects darkness and auto illuminates that when toggling the switch to “AUTO”, the LED light will turn on automatically at night (low lighting conditions) and turns off during daytime (high lighting conditions). If you need the light to be on all day, just toggle to “ON”. By the way, simply toggle to "OFF" to turn off the lamp manually if you need .. 2700K Soft Warm White Light - Babyliya night light emits warm white glow that is bright enough to light up your way at night, while the light glow is soft and not dazzling that will not disturb your families' sleep. The warm white light also creates a warm and sweet atmosphere for your family in the dark. 3 Stage Dimmer Adjustable - With a button to set your desired brightness. Simply press the button to set the ideal brightness level to make your nightlight glow as dark or bright as you want. And, it's built-in internal memory will store your settings to add convenience. Energy Efficient & Money Saving - Thanks to modern LED technology, you don't need to replace bulbs for lifetime. Only 0.5W power and over 50,000 hours long lifespan, which help you save both energy and money. Wide Application - No more stumble at midnight The plug- in nightlight is ideal to light up indoor places like kitchen, hallway, stairway, bedroom, study room, kids' room, living room, etc. without disturbing others sleeping around. Besides, it's perfect to ease kids' fear of darkness.