Pondmaster, 12" LED Lighted Waterfall Spillway, With Blue LED Lights For Flowing Waterfalls At Night, Easy To Install With Little Maintenance, Ideal For Self Contained Waterfalls, Retaining Walls, & Many Other Applications, Spillway Is 12" Wide With Reinforced Opening & 5" Lip Extension, Interior Baffling System Produces A Single, Lighted Water Sheet, Designed With A Solid Frame & Contains A 2 Step Barb Fitting That Is Easy To Use When Installing, Constructed With Solid Acrylic, Sturdy & Durable, 12V Transformer With 33' Power Cord, Recommended Pump Size: 1000 GPH, Emits Just Over 6000 Lumens, 1 Year Limited Warranty.