EASY TO INSTALL: Installs in seconds with no tools! Remove your existing pool jet and thread the Magic-Lite-A-Pool in it's place. Watch our How To Install video below THIS IS A POOL JET WITH MULTI-COLOR LED LIGHTING: Replaces your existing pool jet and transforms it into a light! Operates from the flow of the water through your jet. Fits all standard 1 1/2 inch jet returns MOOD LED LIGHTS WITHOUT ANY BATTERIES: High quality LED lights. No electricity, batteries, or solar is required and lasts ~5,000 hours MOOD LIGHTING: Experience multi-color mood lighting at night. The light changes every 30 seconds from Blue and Green MAGIC-LITE-A-POOL IS WATER POWERED: Uses water power to generate light and requires no electricity or wiring. Relax and enjoy your backyard oasis! The pool jet that also provides mood LED lighting for your entire pool! Changes from Blue to Green lighting!