Umbrella Lamp: This umbrella lamp is portable and practical, very bright and suitable for outdoor activities at night, can better meet your needs. 3 Brightness Modes: 28 bulbs Bright LEDs, 8 LEDs low light mode, 20 LEDs bright mode, 28 LEDs super bright mode. You can adjust the brightness according to different occasions and needs. Built-in Battery: USB charging, very convenient, can be connected to a power bank, laptop or power adapter. After fully charged in 8 hours, the lighting time is 18 hours in super bright mode and 54 hours in low light mode (adapter included). Easy Installation: It clips onto the umbrella very easily without borrowing any additional tools. The elastic clamp is adjustable, suitable for umbrella handles with a diameter of 2-5 cm, suitable for most umbrellas. Widely used: This umbrella lamp is more flexible and portable than the old version, it is suitable for gardens, beaches, camping, picnic barbecues, playing cards or chatting with family or friends in the