Super Quiet Design: The reliable and durable motor will not make too much noise, providing you with a quiet environment. This submersible pump is specially designed for small aquariums, fish tanks, ponds, water gardens and hydroponic systems. Adjustable Flow: Designed with an adjustment knob to adjust the water flow, the maximum flow can reach 220 GPH. It can lift the water column up to 5 feet. Easy to use: Can be disassembled without any tools, easy to separate, easy to clean, just plug in the power to drain quickly. Pump Size: The mini size makes the pump easy to hide or camouflage in the water. Dimensions: 2.9" x 2.0" x 2.5". Must be completely submerged: This submersible pump is designed to sit in water, and the water inlet must be completely submerged in water. With 4 suction cups on the bottom, you can install the pump to spray water horizontally or vertically. The power cord is 6 feet long and waterproof.