Dimmable warm night light lamp: the night light has a 3000 K light colour that brightens the environment with a warm and cosy soft light. The night light can adjust brightness infinitely, allows you to illuminate the room to your most comfortable level, not too hard and not too gloomy. Night light bedside lamp with timer: simply press the umbrella once to turn on the night light. Turn the umbrella to set the time at which the night light should turn off automatically. You can set any time within 90 minutes. This function is helpful to automatically turn off the night light after falling asleep. Sleep aid night light bedside lamp: double click on the night light to activate the sleep aid mode. The night light changes light brightness rhythmically and simulates peoples breathing rhythm. This can help you fall asleep faster. You can also set a shut-off time in breathing mode. Portable and long battery life: the lamp with built-in battery can last 10 to 100 hours when the light is on. (Depends on the set brightness) And the compact and portable design allows you to take the night light on a picnic camping trip or place it anywhere in your bathroom, hallway or living room.