3W 6W 10W 15W 25W Super Silent Multifunctional Diving Fountain Pump Filter Fish Pond Aquarium Pump Tank Garden FountainAmerican standard, note that the use voltage is 110-120V/60HZ; So the frequency 50HZ area is not used.Please note the local voltage frequency!Features: Multi-function, multi-purpose, low power consumption, low noise, average speed, reliable operation, long service life, easy to disassemble and clean, easy to maintain.Applicable scope: aquarium fish tank, garden fountain, water crafts, water cooling air conditioning fan mechanical equipment cooling and other wide fields.Voltage: 220-240V /50HZ 110-120V/60HZPower: 3w 6W 10W 15W 25WHMAX : 0.5m 0.8m 1.2m 1..6m 2mFlow: 220L/H 450L/H 600L/H 800L/H 1200L/H