Features: The pump can\'t work without sunlight. When the pump receives enough sunlight the pump will start in 3 seconds. In the strong sunlight solar energy can charge the battery in addition to normal power supply to the pump. In the case of weak sunlight solar energy can only supply power to the pump. In order to ensure the height of the water spray the battery will also supply power to the pump. In the absence of sunlight and its weak conditions the pump can work for 1 hour when the battery is fully charged. Battery life: more than 500 cycles of charging. Built-in Water Level Monitoring System. When the basin is out of water it can automatically stop working. Applicable for Various Occasions. This solar water fountain fit for bird bath fish tank small pond garden decoration water circulation for oxygen. Specification: Pump voltage: 7V Pump power: 1.0W Max flow: 190L/H Max lift: 100cm Max water spray height: 60cm Solar panel voltage: 10V Solar panel power: 2.0W Solar panel size: 180mm (monocrystalline silicon) Battery capacity: 300mAh Built-in rechargeable battery (maximum working time 1 hour at full power) Service life: 10000Hours Working hours: 8:00A.M.-5:00P.M. includes: 1 x Pump 6 x Heads 1 x Base 1 x Adapter 1 x Manual"