This water pump designs for indoor fountain, tabletop fountain,patio ponds, outdoor fountain. A general purpose pump with unlimited uses suitable for the artist, creator or inventor, pond, aquarium or in hydroponics, people may use the water fountain on the lowest setting to feed plants,or for breaking the water surface for oxygen in a fish tank. STRONG POWER HIGH LIFT, this fountain pump max lift height: 8.2ft(2.5meter). 45W high efficiency motor for energy saving. Lift height is a max height the water goes up, after connecting the water pipe to the nozzle (Make sure the joint sealed securely and tightly) ANTI DRY BURNING DESGIN, our motor reaches the certain temperature will stop working when without water, to protect the water pump. Max water temperature:35?.STAINLESS STEEL PUMP IMPELLER SHAFT, corrosion resistance, strong driving, long working life, so submersible pump also fit for sea water. DETACHABLE AND CLEANABLE - No need any tools to detach it, easy to seperate, easy to clean.100% safe,non toxic,non- radioacitivy design with waterproof for kids aged 3-99+. SUCTION CUP 3 NOZZLES ADJUSTABLE FLOW RATE, 4 individual powerful suction cups that hold the pump securely on the right side of aquarium, vertically or horizontally. water change pump has 3 nozzles for optional, Nozzle Size 0.51",0.62"and 0.74"