DURABLE QUALITY: Threaded fittings make it more stable. The impeller shaft is stainless steel for long life span and corrosion resistance. Designed for submersible use only in salt or fresh water environments.Epoxy Resin Encasement of key internal motor components prevents unwanted conductivity and corrosion of metal parts. This pump incorporates a magnetic wet-rotor design, so there is no seal to fail that would damage the pump motor.PERFECT MOTOR & LOW NOISE: Running at a whisper-quiet level, the motor inside produces no noise, which gives you a quiet environment even with one in your bedroom. 4 strong suction cups at the bottom of the pump help keep it in place, so you can stick it on the right side of the aquarium, either vertically or horizontally.WATER FLOW CONTROL WITH 3 NOZZLES: An Adjustable Knob to control the water flow rate, so you can get just the amount of water pressure you want. The maximum water flow rate: 800GPH(3000L/H). The maximum lift height: 9.8ft(3m). 3 Nozzles of 19mm-16mm-13mm for your options, providing different water flow effects.DETACHABLE & CLEANABLE: Dimensions:3.54*2.55*4.13in(9cm*6.5cm*10.5cm). Small and Compact Size, not only easy to hide or disguise but also convenient to use. The device doesn& 39;t need any tools to disassemble it, making it very easy to be cleaned. The 6.56Ft (2M) long power cord offer convenient installation and use.MULTI USES & SAFETY: Safe for fish with no exposed copper and oil free. This submersible pump attracts your fish or turtles a lot as it keeps circulating and aerating the water. Perfect for medium to big size fish tanks, aquariums, fountains, ponds, rockeries, water gardens and hydroponic systems, etc.The OPDUO submersible pump features compact, multifunctional, and detachable, perfect for aquarium, tabletop fountains, water garden and hydroponic systems.The Submersible pump is epoxy encapsulated and uses no oil, which means it is safe for your fish and aquatic plants.It& 39;s a versatile pump that can generate power waterfalls, filters, and fountain heads.There is a dial on the side that helps adjust the water flow rate,so you can control how much bubbles you want to produce.Threaded fittings on nozzles make sure the joint between nozzle and pipe more sealed.High Quality and Energy Saving: The high efficiency motor is 60w and there is a magnetic drive pump that runs super quiet.Attention1. Prohibit no-load running. Put the pump into water first before connecting power supply. When changing water, please disconnect power supply.It would shorten its lifespan and lead to making loud noises when running in the air for long time.2. The pump you choose is based on the size of your pond and the pumping capacity in gallons per hour (GPH).3. There might be a plus-minus tolerance.4. Insufficient power and insufficient frequency would affect the flow rate.5. 800 GPH refers to the flow rate without using a water pipe. If connected with a water pipe, the maximum flow rate would less than 800 GPH.6. Please clean it regularly in case of debris blockage, the pump would make noises if blocked by debris.Specifications:Voltage: UK: AC220-240V; 50-60HzPower: 60WMax. Flow Rate: 3000L/HH-Max.(Lift Height):9.8ftWaterproof Grade: IP68Power Cord Length: 6.56Ft (2m)Package Included:1 x 800GPH Water Pump1 x 19mm Nozzle1 x 16mm Nozzle1 x 13mm Nozzle