The Above Height Series Smart Umbrella is a great addition to any backyard! The umbrella has a wind sensor and automatically closes in during high winds to reduce the risk of damage. The 9-foot variants have one vent in the umbrella and the 11-foot variants have two vents. Comes with a solar panel for power, LED light and remote control to easily open and close the umbrella. Does not come with base. Recommended base weight is 90lbs for 9-foot model and 120lbs for 11-foot model. Sold by Rachio, ships separately from The Above.