The light has 2 levels of brightness for your choice. High level is suit for task, while low level is suit for reading. Light can be changed between bright white and warm white with 2 levels brightness adjustable respectively. Eye-care and energy saving. Just the right amount of light to see where you are going in the dark. Allows you to get up at night, get some water, use the restroom and return to bed without turning on any main lights. Built-in sensitive light sensor, the nightlight automatically turns on at dusk and off at dawn. You don't have to worry about turning the lights on and off around the house in the morning and evening. The smart sensor does it for you.