Rainbow Lawn Sprinklers, LED Garden Sprinkler Shower System, Colorful Glow at Night No Power Needed, Come with Quick Connector & Spike Base Material: ABS / transparent PC (full eco-friendly materials) The most significant feature of this product: without any power supply, water flow through impact, generating a current to drive the rotor and colorful LED begins to glow, forming the night drifting curtain of water. Seven color effects, change automatically, without intervention. All you have to do is: enjoy the quiet ... Easy to install, simply tap connection via quick connector and gardening can shower. Colorful gardening shower decorating your home more beautiful!