Standard household screw base 90-240 VAC LED Bulbs.Aluminum casing, frost glass globe. Our LED Light bulbs are wide voltage.Uses one 3 Watt CREE LED or three 1 watt Edison LED. LED bulbs are shock and vibration resistant, and LED bulbs are direct screw-in replacements. An LED bulb can light your porch or driveway, staircase or hallway all night and use less energy than your old light bulbs did in just one or two hours! Light bulbs with high power LEDs provide long life. Imagine not having to drag out a ladder to change that hard-to-reach bulb for 10 years!