What is Trimlight? Permanent and Programmable color changing LED lights for the exterior of your home or business. Trimlight provides bright, beautiful holiday and year round lighting at night, which is hardly noticeable during the day so you can leave it up all year, every year! In addition, Trimlight offers elegant lighting solutions for patios, pergolas, gazebos and decks as well. Trimlight Phoenix installs is permanent holiday lights in Phoenix and surrounding areas. Give your home beautiful outdoor lighting.