Only Working on the DC 12V Power Supply! If you supply a 12V marine LED boat lights strip with more than 12V, it may cause the boat LED strip lights to overheat and burn out, or cause a short circuit.Likewise, if you supply a 12V LED boat strip lights with less than 12V, it may cause the marine strip lights to not light up, not be bright enough, or strobe. How Can Ensure that No-Drill Installation Securely? First, please clean and dry the flat surface.Second, please peel the paper backing from the sticky tape and stick the LED boat lights strip to the desired location. Wide Application JUIOHAKY Boat LED Strip Lights 12V Waterproof are usually used for under gunnel lights, boat interior lights, deck lights, transom lights, step lights, cabin lights, cockpit lights and accent atmosphere lights, ideal for pontoon, kayak, fishing boat, bass boat, jon boat, yacht and other power boats Note: Please only work on DC 12 voltsPlease keep the hull clean and dry before installation to avoid it falling offPlease use the extra fixed screws for a more secure installation. (However, our LED marine strip lights with backing strong sticky ensure enough secure installation)Please don't use our boat LED strip lights as underwater lights Specification: LED Quantity: 450pcs per roll LED Chip: SMD5050 Lifespan: 50,000 Hours LED Strip Length: 25ft per roll LED Strip Width: 10MM Cuttable Deisgn Flexible design allows the marine LED strip lights to be bent when needed. The boat LED strip lights can be cut every 3 LEDs, which helps you finish the easy DIY installation. Super Bright Light Source Our LED boat lights with 450 pieces of 5050 SMD LED chips provide a super bright and more reliable light source. Backing Strong Adhesive Using strong adhesive backing helps you easily do a no-drill installation, and it will be a secure enough installation. (However, if you really need a more secure installation, please use the extra fixed screws.)