APP-Controlled Multi-Colored LED Spillway for Self-Contained Waterfalls, Hardscapes, Retaining Walls. 24″ Wide Spillway with 12V Transformer. 43′ Power Cord. 2400 GPH Pump Recommended. Spillways are iOS and Android compatable using the Smart Life App which is availble for free through your Apple App Store or Google Play. Your Mobile Devise is your Remote. Infinite Color Possiblilities. Works with Voice Control via Amazon Echo, Alexa, Google Home. Bottom Mounted with a Integrated 1-1/2″ Female Threaded Connection.