Great Value's LED bulbs are a great way to update your home and make it green. LEDs are very environmentally friendly since they contain no mercury, decrease CO2 emissions, and last for years. They are not sensitive to humidity, low temperatures (can be used in as low as -20° C), and on/off cycling. LED's turn on instantly, are very durable, are not prone to failure and emit very little heat. Reducing waste and saving you energy, time and money these are the perfect bulbs to help you go green and stay that way! Use Great Value's LED's anywhere you use a medium based traditional incandescent light bulb. Light Output: 800 lumens – 9 watts, 60 watt equivalent - 5000 kelvin (daylight) - 10,000 hour bulb life.