High efficiency, 80% brighter, and long-life (18,000 hours) glow-in-the-dark fluorescent light. I accidentally bought this, so I'm selling it. The box is dirty, but the contents are new and unused. I purchased it from an electronics store. - Type: Glow-in-the-dark - Brightness: 80% brighter - Long Life: 18,000 hours - Made in Japan - Wattage: 28 watts Thank you for looking.