Warm-colored fiber optic LED light, for indoor use, AC adapter powered. - Type: LED light - Color: Warm color - Power Source: AC adapter - Design: Fiber optic - Usage: Indoor It glows subtly when you press the button. I think I used it for 2 or 3 months, but I didn't have it on for long. It's been stored at home for a while♪ Thank you for looking.