12 Colorful Led Lights - This Fountain water Pump uses 12 super bright energy-saving LED lights with 4 colors (red, blue, green, yellow). Submersible Water Pump - The water pump with light attracts your fish or turtles a lot as it keeps circulating and aerating the water. Add more oxygen to water, makes your aquatic creatures more healthy. Both fresh water and sea water can be used. Comes with 2 Nozzles - fountain pump is equipped with two nozzles, one with a diameter of 8mm (0.31in) and the other with a 13mm (0.51in), provide different flow effects. Water pump fountain water column up to 0- 59 inches.Working Temperature: 32 to 104. Water Flow Control - The LED light water pump has an adjustable Side valve to flow control water ,the water flow rate at a maximum flow rate that is 0-1000L/H. makes it easy for you to adjust the flow rate as you want.this submersible water pump is designed to sit in water, water inlet must be completely submerged in water.