Waterfall spillway with blue LED (light emitting diodes) lights for glowing waterfalls at night. Easy to install with little maintenance. Ideal for self-contained waterfalls, retaining walls, and many other applications. Spillway is 12 inches wide with reinforced opening and 5" lip extension. Interior baffling system produces a single, lighted water sheet. Designed with a solid frame and contains a 2-step barb fitting that is easy to use when installing. Constructed with solid acrylic, sturdy and durable. 12 volt transformer with 33' power cord. Recommended pump size: 1000 GPH. Emits just over 6000 lumens. 1 year limited warranty.