The blue 24 volt UL listed waterproof flexible led strip tape lighting consumes 4.4 watts of power per foot and produces 360 lumens per foot making this one of our brightest tapes on the market. The product comes complete with a PVC cover and does not employ any types of glue making the product water resistant. The outer PVC cover is UV treated and will not turn yellow over time. The LEDs used in this product are 5050SMD chips and they are spaced .65 inches apart. The spool length is 16.4 feet long and the projected lifespan of the LED chips are 50,000 hours. You can cut this product every 4 inches and it is clearly marked on the tape.