Feature: 1. Intelligent Frequency Conversion: This pump has a 20 speed low pressure frequency conversion pump with flow rate of 1500 to 3500L per hour (396.3 to 924.6GPH), the lift range of 1.8 to 3.5m (5.91 to 11.48ft), and a total of 20 gears can be adjusted. 2. Voltage DC24V: Ultraquiet water pump uses voltage DC24V, which has strong power to ensure safe low voltage and convenient use. 3. 6 Outlet Adapters: Quiet pumps include three different diameter sizes of nozzles, two 1.6cm (0.63 inch), two 2.2cm (0.87 inch) and two 2.5cm (0.98 inch), providing different water flow effects for your different needs. 4. Flexible and Lightweight: The variable frequency water pump is easy to place, the pump can be placed flat on the base, attached to a sloping or vertical surface, and then manually rotated to wherever you need it. 5. Wide Applications: This powerful but compact pump is easy to hide and camouflage, no tools are required to disassemble and it is very easy to clean. At the same time, this is a high performance, energy saving pump designed for ponds, fountains, waterfalls, hydroponic systems and irrigation systems. Specification: Item Type: Submersible Water Pump Voltage: DC24V Model: DC 3500 1st gear Power: 6W Lift Range: 1.8M Flow Rate: 1500L per hour 2nd gear Power: 7W Lift Range: 1.9W Flow Rate: 1600L per hour 3rd gear Power: 8W Lift Range: 2M Flow Rate: 1700L per hour 4th gear Power: 8.5W Lift Range: 2.15M Flow Rate: 1800L per hour 5th gear Power: 9W Lift Range: 2.2M Flow Rate: 1950L per hour 6th gear Power: 10W Lift Range: 2.3M Flow Rate: 2100L per hour 7th gear Power: 11W Lift Range: 2.45M Flow Rate: 200L per hour 8th gear Power: 12W Lift Range: 2.5M Flow Rate: 2350L per hour 9th gear Power: 13W Lift Range: 2.6M Flow Rate: 2500L per hour 10th gear Power: 14W Lift Range: 2.7M Flow Rate: 2600L per hour 11th gear Power: 14.5W Lift Range: 2.8M Flow Rate: 2700L per hour 12th gear Power: 15W Lift Range: 2.85M Flow Rate: 2800L per hour 13th gear Power: 16W Lift Range: 2.9M Flow Rate: 2950L per hour 14th gear Power: 17.5W Lift Range: 3M Flow Rate: 3100L per hour 15th gear Power: 19W Lift Range: 3.1M Flow Rate: 3200L per hour 16th gear Power: 20W Lift Range: 3.2M Flow Rate: 3250L per hour 17th gear Power: 21W Lift Range: 3.3W Flow Rate: 33ooL per hour 18th gear Power: 23W Lift Range: 3.4M Flow Rate: 3400L per hour 19th gear Power: 24W Lift Range: 3.45M Flow Rate: 3450L per hour 20th gear Power: 25W Lift Range: 3.5M Flow Rate: 3500L per hour. Package List: 1 x Host6 x Hose Interfaces1 x Sealing Rubber Ring2 x Accessories Note: 1. Do not use the pump with flammable materials, chemicals or acidic liquids.2. Please clean the water outlet and water pipe of the pump in time to see if they are clogged with dirt. Please clean the water pump in time.3. Please make sure that the power cord of the pump is lower than the power cord socket and forms a drip ring. This will prevent the water from flowing into the power outlet along the power cord.4. Do not allow the pump to run in a dry (no water) state to avoid affecting its life.5. Do not operate the pump when the water temperature is above 35°C.6. Warning: Disconnect the power supply before performing any operation and maintenance.7. Do not use the pump for other than the specified purpose.