1Adjustable Flow Rate: Equipped with a flow control knob, this submersible water outdoor pump allows you to customize the water flow according to your needs. With a maximum water flow rate of 160GPH (600L/H) and a maximum lift height of 4ft, you can create various water features and adjust the pump to suit different settings and preferences. 2Low Noise: The submersible fountain water pump features a rugged and reliable motor that operates with minimal noise, producing less than 18 decibels for an extra quiet environment. The detachable waterfall pump requires no tools for easy cleaning and maintenance, ensuring seamless operating without disturbing the peace and tranquility of your surroundings. 3Submersible Design: This water fountain pump with lights is a submersible device that continuously circulates and aerates water, attracting your fish or turtles while adding oxygen to the water for healthier aquatic life. Suitable for use in both freshwater and saltwater environments, the pump comes with four sturdy suction cups for stable and convenient installation on glass or flat surfaces. 4Multiple Water Patterns: The outdoor water pump includes two fountain nozzles, one with a diameter of 8mm (0.31in) and the other with 12mm (0.47in), allowing for water columns up to 4ft high. Choose from four water patterns, such as mushroom, fireworks, double shower, and single shower, selecting your desired pattern for a customizable water feature. 5Dazzling Nighttime Illumination: The submersible pump features 12 super bright energy efficient LED lights in 4 vibrant colors (red, blue, green, yellow), providing a stunning nighttime lighting effect for outdoor fountains, pet fountains, gardens, fish tanks, mini water features, ponds, small swimming pools, aquariums, water parks, and statues. The water proof pump and LEDs can operate continuously for 24 hours, automatically changing colors for a mesmerizing display.