Neon GloStix tubes can be used to highlight almost any car, truck, or boat. Mount them under seats, under the dash, in the trunk, in speaker boxes, or anywhere imaginable! Neon GloStix tubes give a classic 360 degree neon glow.A high-output transformer is built-in to the tube so there is no extra wiring and an easy installation. The tube can be plugged directly into a cigarette lighter plug, or can be hard-wired for permanent installation.Rated for Interior or Exterior Use. GloStix Tubes are sealed in a high-impact Lexan tube for guaranteed durability.