Smart Solar 34252RM1 Mahayana 2-Tier Solar on Demand Fountain With Patented Underwater Integral Solar Panel and Pump System Creates A Relaxing Atmosphere On Your Patio, Deck, Balcony Or In Your Garden Solar-On-Demand Allows You To Choose When You Wish Fountain To Work Using An Easy On/Off Switch On The Solar Panel Operate Daily And Use The Battery Technology To Provide Consistent Performances Even On Cloudy Weather Days Battery Can Fully Charge In One Sunny Day And Then Give Up To Six Hours Of Continuous Use Patented Underwater Integral Solar Panel And Pump System