1. Sign Light Replacement BulbsOur 0.5W LED filament light bulb has a full brightness of 50 lumens, AC110 130V, Non Dimmable, with less heat and a frosted glass cover, a perfect choice to replace standard 4W incandescent bulb. Especially for sign lights. 2. E12 Candelabra BaseStandard E12 Led bulb candelabra base, instant on, cool to the touch, making it easier to clean chandelier or replace bulbs without burning your hand. Works perfectly with all string lights with standard base sockets. 3. Color TemperatureThe 2200K Led candle bulb gives off a pleasing bright warm glow, easy on the eyes and not too bright. Nearly identical in color to incandescent bulbs, a perfect choice for Home, Night Lights, Accent 4. Energy Saving SafetyThis E12 bulbs led helps to save up to 85% of Energy. 0.5W LED Filament candelabra light bulb is a perfect choice to replace standard 4W incandescent bulb. This LED Candelabra Bulbs have been certified by UL Listed with Overload Protection, Short Circuit Protection and Over Temperature Protection.