Features 1. [3 Brightness Mode]: Press once for 4 LED lights(Dim), press twice for 24 LED lights(Bright), or press three times for 28 LED lights(Super Bright). Suit your need for different brightness on different occasions. 2. [Convenient]: No need for extra tools, easy to clamp to your umbrella with the built-in auto adjustable strong clamp, also can be hung anywhere using the two hooks, pole mounted, fit poles with a diameter of approximately 0.98~1.77 inch. 3. [Energy Saving& Bright]: With 28 energy-saving LED bulbs, LED energy saving and environmental friendly. 4. [Multiple Functions]: Suitable for camping, BBQ,playing, cards, or lying on your leisure chair in the evening with your families and friends. 5. [Available Electrical Source]: Requires 4 AA batteries (NOT INCLUDED), which can be easily purchased in common shops. Easy to carry and prepare for batteries backup. Specification Material: Plastic Color: Black, White Size: 16 x 16 x 3 cm Weight: 165 g Shape: Round Battery: 4 AA Voltage: 3.7 V Wattage: 5 W Light Bulb: 28 leds Switch Style: Push Button Package Include: 1 Umbrella Light