Features: 1) PC tube: waterproof, indestructible, high temperature resistant 2) Wireless remote controlled, one set comes with 1 tube, 2 tubes, 4 tubes or more 3) One LED per every 0.7cm 4) 7-color changing for each tube 5) 12 kinds of flashing patterns, such as chasing, strobing, fading, and fast changing 6) Length of 8" to 48" available 7) Connected to storage battery of the car