LED Luminous Lawn Sprinkler Automatic Water Sprinkler Garden Outdoor Irrigation Nozzle for Courtyard Description: Item type: Luminous Lawn Spray Head Water flow: 400-600 lH Working water pressure: 1kg to 3kg (water pressure that can enable LED to light normally) Material: ABS Product structure: LED lawn sprinkler is composed of rotary joint, ground insert, sprinkler head and LED movement. Range radius: 1-3m Features -- Eco-friendly material -- Unique water power drive -- More applications 1. This product is a new type of water-saving and appreciative product for environmental protection. The product has built-in small electric power generation device. It does not need battery to drive. As long as there is water, it will emit light. When the water source is turned off, the lamp will be extinguished immediately. 2, the color of the light can change a mode every 3~5 seconds according to the time, forming a colorful gradient effect. 3. The working voltage of this product is less than 6V, which will not cause harm to the human body.