Seattle Deck Supply is a manufacturer of LED railing and fascia mount lighting systems. LED’s are an easy and affordable way to add distinctive design and function to your deck. We can adapt our LED framework to a wide range of railing and other applications. SDS LED Systems are completely waterproof and have a 50,000 hour life expectancy with extremely low power consumption. LED lights can be actuated by timers, photocells, or home automation systems like Alexa, Google Home, and others.