Voltage/frequency: 220V-240V/50HZ Power: 7w Yang Cheng: 1.0 meter Flow rate: 400L/H Dimensions: L65 x W44 x H54 (mm) Product features: The shell is made of high-quality reinforced ABS, which is durable. Single tree see repotting, good insulation performance, no water leakage. The shaft core is made of high quality stainless steel and the flow rate is adjustable. Features: 1: The shell is made of high quality engineering plastic, anti-corrosion and impact resistant. 2: The shaft core and shaft sleeve are made of unique carbonized stainless steel, which is resistant to acid, alkali and corrosion. Both fresh water and sea water are good to use. 3: With a filter cover, it can effectively prevent foreign objects from being sucked into the engine. The filter cover is easy to disassemble and assemble, which is convenient for cleaning the inside of the pump. 4: The water pump must be completely submerged in water to use. 5: The 220V water pump does not need a transformer and is directly connected to the domestic mains. 6: The motor windings are fully enclosed, resin coated, completely separated from water and will not leak electricity. But please pay attention to the safety of electricity use, do not touch live parts with wet water. 7: The water pump is prohibited from drying without water. After a long period of normal use, it will be found that the power is insufficient or does not rotate. It is suggested to disassemble and clean the shaft in time (this water pump can be disassembled and cleaned) 8: The water pump wire is generally 1.5 meters long. 9: The water pump is a quiet water pump, not completely silent, but much quieter than most water pumps, but the mechanical operating noise is still there. During normal operation, it is usually covered by the sound of water. If you listen carefully, you will hear the sound, and you can also hear the sound when it is very quiet at night.