Brightness Modes: Tap once for 4 LED lights (Low), tap twice for 20 LED lights (Bright), tap three times for four LED lights (Super Bright). Meet your needs for different brightness on different occasions. Available Power Source: 1, Requires 4 AA batteries (NOT INCLUDED). One set of batteries lasts about 10 hours (24 LEDs) to 24 hours (4 LEDs), depends on the battery you used. 2, powered by USB, the products include a 150cm long USB power cable, which can be powered by an external power source such as: power supply, etc. The lifespan of the LED light is more than 50,000 hours. Energy-saving and brilliant: With 24 energy-saving LED bulbs, energy saving and environmentally friendly. 3 brightness modes, meet your needs for different brightness on different occasions. Convenient: no need extra tools, easy to attach to your umbrella with the automatic adjustable powerful clip, also can be hung anywhere at using its two hooks, mounted on a pole, adapt to the size of -4.5cm). Widely Application: Suitable for camping, barbecues, card games or lying on your leisure chair in the evening with family and friends. Mounted face down for direct lighting or face up for indirect lighting. Color:Warm Light On your balcony, in your swimming pool, you will continue your dinner, read your book, talk to your friends, play with your family when you have sunlight or a fixed lighting point. our parasol lamp only needs 4 AA batteries (NOT included) or a power bank (products include a 150cm long USB power cable) and you can take it wherever you want.To make the environment easier and more pleasant, we develop 3 brightness modes (low, normal and high) and 2 color lighting (Warm, White), so that you can always find the brightness that suits you.