[Energy Saving]: Uses a 4W LED filament to replace 40W incandescent bulbs, saving over 80% on your electricity bill. [Easy to Install]: Standard ST64 shape with E27 base. Easily installs in place of ordinary E27 halogen bulbs. [Safety Guarantee]: Clear glass, high light transmittance, mercury-free, UV-free, CE certified. [Vintage Style]: Classic retro design, familiar shapes you know and love, ideas for Christmas decorations. [Wide Application]: Table lamps, chandeliers, ceiling fans, home decor fixtures.