Safe, Durable & Long Lifespan: We pay attention to details to ensure safety and durability. B15 LED corn bulbs are made of ceramic. The unique design ensures excellent heat dissipation, reducing light decay time and improving lifespan. This energy-efficient bulb is durable, saving you time and money on frequent replacements. Voltage: 120V-230V; Dimmable Feature: The dimmable feature allows you to adjust your LED bulbs to suit your mood and enjoy a pleasant atmosphere every time. 【Easy to Install】 Our B15 bulb is easy to install and suitable for most common household lamps. Please note that these bayonet bulbs are dimmable. 【Wide Applications】Ideal for indoor and outdoor lighting (for outdoor lighting, use under a lampshade). B15 LED bulbs are ideal for street, warehouse, garage, garden, home, office, hotel, hospital, school, clubs, shopping malls, meeting room, factory, light box, backlighting, discreet lighting.