Specification:Solar panel output voltage: 5VSolar panel output power: 1.4wPump specifications: DC 4.5-9vMaterial: Monocrystalline siliconMaximum water height: 30-50CMMaximum flow: 160L/HPump life: >80000 hoursWaterproof:IP68 Features:- This pump can be connected to a variety of different shapes of nozzles to spray different water types.-Water spray height: 30--50cm, connecting different nozzles, the height of the water spray will be different.-When the solar panel receives sufficient sunlight, the pump will start in 1 second. Precautions:1 There is no external battery. The height of the water spray depends entirely on the strength of the sun. When the sun is weak, the pump will not work continuously, but will automatically start repeatedly until the sunlight reaches a certain intensity. The pump resumes continuous operation. When using, place the product in unobstructed sunlight. Shadow blocking will affect the normal operation of the pump.2 The pump must be completely immersed in water and should not be dehydrated for a long time. When the water pump has just been immersed in water, it is recommended that the pump be inserted into a different nozzle after the water is sprayed normally.3 Please keep the water source clean and clean the water pump regularly to prevent foreign matter from being sucked by the water pump and the pump will not work properly. Package Included:1 x Solar Water Panel Power Fountain Pump Kit1 x user manual