Low power dimmable night light: The power of this small night light is about 0.5 watts, low energy consumption, very energy-saving, and it can touch the top of the bottle to adjust the brightness, It is very convenient. Touch control switch design: The touch switch is designed at the top of the bottle, which can control the light on or off, and can also adjust the brightness. This design is very creative and also very convenient to use. Wide Application: This USB night light can be used in bedrooms, study rooms, cars, outdoor tents, and more. Due to its low power and low heat generation, it can even be used as an indoor auxiliary lighting for long-term use, emergency use during outdoor camping, and as an ambient light for vehicles, with a wide range of applications. Portable: This USB night light is small in size, lightweight, and comes with a built-in USB interface. It can light up when connected to a power bank, making it very suitable for outdoor use. Easy to use: Click the bottom of bulb to turn on or turn off it. Long press the bottom of the bulb to adjust brightness, such as lightening or darkening.