Features: 1.Energy-saving and Bright. With 28 energy-saving LED bulbs, Can be used as umbrella light, camping tent light, temporary emergency light. 2.Three modes available, each time you press the black button, you change one mode. 3.Batteries Operation, No Tools Required. the light fits pole from 1.38in to 1.7in in diameter. It is very easy to slide on over the pole. 4.Lightweight and Portable. You can also use it as emergency light inside if you have a power outage. Specification: LED light color: White Exterior color: Silvery Output Voltage: 4.5V Power:0.5W Batteries: 4AA (Not included) Brightness Levels: Dim(Inner 4 LED bulbs); Bright(Outer 24 LED bulbs); Super Bright(28 LED bulbs) Type of bulbs: LED Luminance: 100lum Material: ABS plastic IP grade: IP44 Lifetimes: 100,000hours Certification: CE, EMC, ROHS Effective Lighting Duration: approx 30h (alkaline battery); approx 15h (zinc-manganese dry battery). NOTE: umbrella and batteries are not include Package Contents: 1x 28LEDs Patio Umbrella Light