GOSSI 10.3 IN Indoor Waterfall Fountain Relaxation High Pressure Water Pumps Tabletop Fountain Nature Feeling Water Fountains with Reflective Lighting/River Rocks Home/Office Decoration. Material: Resin Power supply: 110v US adapter Size: 7.1 x 5.1 x 10.3 inches Wire length: 6 feet Easy to assemble 1. take out the all parts from the package. 2. Tighten the short tube on the water pump with the white transparent hose, and then connect the other wire on the water pump with the wire connecting the LED lamp beads, and then tighten the nut. 3. Fill the sink with water(more than one-half). 4. Then put the part connected to the water pump on the sink, and then plug in the power. (The pebbles can be placed according to your preferences ). Warm Tips 1. Please fill the fountain with water first and then plug in the power source. If the engine runs dry, it will easily reduce the life of the engine and make noise. 2. In order to keep the sink clean and the pump working fine, it can be cleaned once every two or three weeks. 3. The sink must be filled with at least one-half of the water, as long as the water completely covers the pump so that the pump can work fine, it doesnt matter if there is more, as long as the water does not overflow the sink.