1.Energy-saving And Bright. With 28 energy-saving LED bulbs， up to max 30 hours effective continuous illumination， this patio umbrella light is perfect for outdoor/indoor use. Can be used as umbrella light， camping tent light， temporary emergency light. 2.3 Level Brightness. Three modes available， each time you press the black button， you change one mode. The white light provided by this patio umbrella lights allows you to have the feeling of bathing in the moonlight which is not dazzling.3.Batteries Operation， No Tools Required. It only takes 4 AA batteries(Not included). No more unsightly wires and extension cords laying across your yard. With the adjustable clamps， 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. Made of advanced ABS material， it is lightweight but durable. It's a perfect companion for camping， hiking， adventure. Designed with rings on the top that you can hook through so you can hang this light up. You can also use it as emergency light inside if you have a power outage.5.Certification For Safety. This light has been certificated by CE， EMC， RoHs. And the protection grade is up to IP44. Please rest assured to use this product. Specification:1. LED light color: White2. Exterior color: Silvery3. Output Voltage: 4.5V4. Power:0.5W5. Batteries: 4AA (Not included)6. Brightness Levels: Dim(Inner 4 LED bulbs); Bright(Outer 24 LED bulbs); Super Bright(28 LED bulbs)7. Type of bulbs: LED8. Luminance: 100lum9. Material: ABS plastic10. Product dimensions(LWH): approx 6.3in*6.3in*1in11. IP grade: IP4412. Certification: CE， EMC， RoHS13. Effective Lighting Duration: approx 30h (alkaline battery); approx 15h (zinc-manganese dry battery).NOTE: UMBRELLA AND BATTERIES ARE NOT INCLUDED!Package Contents:1x 28 LEDs Patio Umbrella Light1x user manual