Specifications:  Pump Dimension (L x W x H): Approx. 15x15x6cm/ 5.9x5.9x2.36 ".  Material: Plastic.  Color: Black.  Delay: ≤ 1s.  Pump Output: 8V 140MA.  Solar Battery Power: 8V 1.6W.  Max Flow Quantity Of Pump: 180L/H.  Max Water Height : Approx. 65cm/ 25.59''.     Installation Methods:  (1)Put the pump totally in the water with it's nozzle over the water; Be sure the pump is fixed firmly on the bottom of the fountain to avoid vibration.  (2)Plug the jack of pump in the jack of solar panel output.  (3)Put the solar panel under enough sunlight and be better to face directly to sun.     Note:  (1) Be sure to put enough water in the fountain ,especially on sunny days, always keep the pump under the water surface.  (2) Change water frequently to keep the water cleaning to avoid any dirt to impede the pump.  (3) Be careful to protect the solar panel to avoid any damage.  (4) Keep the surface of solar panel cleaning constantly.     Package Included:  1 x Fountain Water Pump.  4 x Nozzles.  1 x Nozzle Base.  1 x English User Manual