Requires 4 E26 bulbs. You can choose the light bulb according to your preferences and habits. Easily assembles any E26 bulb without removing the cage. Recommended bulbs: ST21 A19 ST19 T45, Incandescent bulb - 60W max, LED bulb - 10W max. 5-year motor warranty and 2-year limited warranty on other parts make this a worry-free purchase.