?ULTRA-QUIET DESIGN & LONG LIFE?In order to keep the pump quiet and have a longer life, increased the cost by using high quality rotor and 100% pure copper,make the pump quiet & long life. ?DRY BURNNING PROTECTION?Considering that the users will forget to add water, we have added a temperature control protection switch inside the pump. When the pump is running-dry, it will automatically cut off the power when the temperature of pump is high,360-hour dry burnning protection,Don't worry that there is no water in your fountain, which will cause the pump to burn out. ?HIGH PERFORMANCE? After a period of use you will find out that our water pump is "High flow rate, Low power consumption,Energy-saving &long life". ?WATER FLOW CONTROL? An adjustable knob to control the water flow rate, so you can get just the amount of water pressure you want. Maximum flow rate: 200GPH(750L/H). ?DETACHABLE & CLEANABLE? No need any tools to detach it, easy to seperate, easy to clean.