ENERGY SAVING: 9-Watt Regal 4-Pack LED lights use less electricity saving you money long term providing true value. Regal bulbs can save you up to $84 per bulb in lifetime energy savings. (Check your energy company for potential discounts!) ** Based on 3-hours/day the estimated annual energy cost is $1.08, keep in mind cost depends on rates and use. | LONG LIFESPAN: These LED lights can last up to 13 years saving you time and money. These bulbs have a 15,000 hour lifespan. | WINNING DIFFERENCE: LEDs can withstand shock, vibration and extreme temperatures much better than incandescent bulbs. Since they generate virtually no heat, they are not a fire hazard like traditional bulbs. | NON HAZARDOUS: LED bulbs are recyclable and easier to dispose of because they do not contain any hazardous material. They are Mercury-free and generate less heat, ideal for sustainability and Green solutions. | TOP QUALITY: UL Listed, Manufactured with the best materials and workmanship for long lasting operation. The manufacturer support team is based proudly in the USA.