The pump is a multi-purpose pump that can be fully submersible. It is compact, multi-functional and detachable, perfect for small to medium size aquariums, tabletop fountains, water gardens and hydroponic systems, etc. Add more circulation to your aquarium and give your lovely fish a near-natural environment. Features: Adjustable Water Flow Rate: a switch on the side helps adjust the flow rate easily. Perfect Motor & Low Noise: the reliable and durable motor produces noise, giving you quiet environment. 2 or 3 Strong Suction Cups: great for mounting on where both vertically and horizontally. Small and Compact Size: not only easy to hide or disguise but also convenient to use. Detachable & Cleanable: no need any tools to detach it, easy to separate and clean. Waterproof and Anti-corrosion: the shell is made of high-quality plastic, durable enough. Wide Application: perfect for small to medium size aquarium, tabletop fountains, water gardens and hydroponic systems, etc. Specifications: Max. Flow Rate(Optional) 150L/H 180L/H 280L/H Power 2W 2.5W 4W H-Max.(Lift Height) 45cm / 1.47ft 55cm / 1.8ft 75cm / 2.46ft Plug Type(Optional) US Plug / EU Plug / UK Plug Voltage US: AC110V; EU/UK: AC220-240V; 50-60Hz Waterproof Grade IP68 Power Cord Length Approx. 150cm/4.9ft Pump Size 38 * 33 * 28mm 38 * 38 * 28mm 48 * 46 * 34mm Weight(Pump+Power Cord) 99-148g / 3.52-5.22oz 104-153g / 3.67-5.4oz 136-181g / 4.8- 6.4oz Package Size 10 * 7.5 * 5.5cm Package Weight 125-176g / 4.43-6.22oz 130-181g / 4.58-6.4oz 163-207g / 5.75-7.3oz Package List: 1 * Water Pump 1 * User Manual(English) Note: 1. Please keep the pump operate in the water, otherwise would damage the pump; 2. The maximum flow rate might be a plus-minus tolerance; 3. Insufficient power and insufficient frequency would affect the flow rate; 4. The maximum flow rate refers to the flow rate without using a water pipe. If connected with a water pipe, the maximum flow rate would less than the Max. value; 5. If the water sprays out the container, the flow rate would also less than the Max. value; 6. Please clean it regularly in case of debris blockage, the pump would make noises or even make the motor short circuit if blocked by debris.