3 Brightness Modes: The umbrella lights have three different brightness, you can light up 8, 20 or 28 LEDs according to your preferences for outdoor activities. Press once to display 8 LEDs, press twice to display 20 LEDs, or press three times to display 28 LEDs. The brightness will always adapt to your needs USB Rechargeable: The USB rechargeable umbrella lamp, very convenient, can be connected to mobile power, laptop, power adapter, etc. After being fully charged in 8 hours, the super bright mode lighting will be 18 hours and the low light mode lighting will be 54 hours (adapter not included). Simple installation: with its wireless design and built-in self-adjusting clip, installation is simplified. The elastic clip is adjustable, it can also be hung on a rope or a hook, suitable for umbrella handles with a diameter of 2-5cm, suitable for most umbrellas, camping tents and patios. High Quality Materials: ABS LED Umbrella with 28 LEDs is a must-have for umbrella lighting at night. Using high quality materials, long service life, practicality and brightness. Versatile: This LED umbrella light can be used as an umbrella light, camping tent light, temporary emergency light, barbecue lighting, playing cards or just sitting on the terrace. Very suitable for outdoor gatherings, family reunions, camping tents, night entertainment, etc.