BestProtect Floating Lotus Pattern Solar Powered Fountain Pool Pond Garden Watering Decorate Kits Solar panel power consumption: 8V 1.4W The using lifetime of the solar panel is 3 years Maximum water height: 45cm Dont make the pump work without water for a long time, or its lifespan will be shortened. The pump will start automatically in 3 seconds when bright sunlight shines on the solar panel directly without any shadow