Chicago's Permanent holiday and year-round programmable lighting Trimlight is an innovative, patented lighting system for permanent, exterior lighting professionally installed on homes and businesses, eliminating the hassle and worry out of hanging Christmas or holiday lights ever again. With virtually unlimited color and animation options, our programmable system gives customers the control and versatility to set their lights for every major holiday, sporting event, or any special occasion throughout the year. Trimlight provides bright, beautiful holiday and year round lighting at night, which is hardly noticeable during the day so the system can be left up all year, every year!