Light Efficient Design LED-1717 14W Dimmable Pageant LED R40 Wide Flood Bulb, Daylight Though its equivalent to a 75 watt bulb, it only uses 13 watts, making it highly efficient. These 1717 R40 bulbs have a vastly extending bulb life of 50,000 hours, meaning they will last for years instead of just months. These are also great for classrooms or restaurants. The R40 shapes means it will fit into R40 and PAR38 lights. Your purchase also gives you a 5 year warranty.