Our SMD LEDs allow these strips an amazing amount fo flexibility without causing damage to the products. Each Ribbon LED strips are equipped with adhesive backing, and can be stuck just about anywhere you need the light. Just peel away 3M adhesive backing and stick to install anywhere you need the light. They can be cut every 3-leds interval. A clearly-marked line shows exactly where to cut. Pairs of indicated solder spots provide great contacts for attaching wires, each one is indicated with a + sign for positive, and - sign for negative. The standard reel has 5 meters (16.4 feet), and 5/16" width, 1/130" thickness of LED strip. It can be easily connected multiple runs together by soldering the contacts. Once soldering being finished, a dab of silicone can be added to re-insure the waterproof-ability, if needed. Our available switching power transformers are 24, 36, 48, 60, 100, and 150 Watts. Numerous Applications: Home Lighting: Interior and exterior lighting, furniture and under the cabinet, display case, door edge, stairway accent, attics and sheds, around the front grille, cove lighting, computer keyboard illuminations, etc. Auto, motorcycle, boat lighting: Under foot-wells, on wheel wells, in the trunk, under the hood, along the dash, whereever the heck you want them to go! Architectural, commercial lighting: Architectural decorative lighting, archway, theater, and aircraft cabin mood lighting, emergency hallway lighting, auditorium walkway lighting, stairway accent lighting, concealed lighting, back lighting for signage letters, channel letter lighting, etc. There are unlimited application opportunities there, the limitation is your imagination!