We bought this set of 2 lights to illuminate the flagpole in our front year. They work quite well. I particularly like the ability to fully adjust both the solar panel as well as the spotlight unit. They can be used with lawn spikes (the way we are using them) or screwed into wooden poles, house, etc. They require about 5 or 6 hours of sunlight to charge, then will illuminate when the sun goes down. On cloudy days, I am sure it will take more charging time due to the shady sunlight. We are happy with them. i. #RankBoosterReview ii. #Sponsored iii. #Aityvert https://www.amazon.com/dp/B01HXLE1VM