20,000 hours operating life, last more than 11 years based on 5 hours/day average * Annual energy consumption: 4W X 5 hours X 365 days / 1000=7.3 Kw/h * 4W LED equivalent to 40W incandescent candle light, perfect replacement and save on electric bill * Soft warm white halogen-like LED light, no dazzle light to the eye * High quality Aviation Alumina lamp body, Nickel finished lamp base