Hygger 2120GPH Quiet Submersible and External 24V Water Pump, with Controller (30%-100% Settings), Powerful Return Pump for Fish

Hygger 24V DCP controllable water pump, comes with a special U-shape water intake shell, which makes this return pump can be used in low water level. A powerful water pump for fish tanks, aquariums, ponds, fountains, waterfalls, sump, hydroponics, irrigation use.Aquarium Water Pump Features:- Ultra quiet, runs at low vibration.- Auto shut off when no water is sensed.- High performance, energy saving up to 65% and safe operation.- With 71 settings external controller, easy to control the flow rate from 30% to 100%. – Can be used internally or externally, for salt-water or fresh water use.- Comes with 2 kinds of water intake shells, the lowest water level can be 0.8 inch.- Durable for long time use, with anti-resistant ceramic shaft, magnetic drive.- Easy to disassemble it by hand for cleaning, the impeller is removable. Directions for use1. Max working water depth is 5ft. Please check and clean the pump regularly.2. Prohibit to use the pump in flammable liquids. Working water temps: 34-95 Fahrenheit degrees.3. The pump will stop working when input voltage is too high, upon no water, impeller blocked, to restart the pump please re-plug the power.4. The controller has memory function for the flow rater, if the power goes out the controller will go back to the last setting. 5. Dont let the pump run dry, it will damage the motor. When use the pump internally, please keep the pump fully submersible in water before plug in power. When use the pump externally, make sure there are full of water in the pump body and the pipes before plug in power.6. If you find the pump is failed to pump water at the beginning, please try to unplug and re-plug the power to get rid of the air inside the pump,repeat that for several times then the pump will work normally.