【RETRO ANTIQUE VINTAGE STYLE】Combined the retro look of antique incandescent bulbs with cutting-edge LED technology, these led filament bulbs add an old-time charm to any room coupled with unparalleled energy efficiency and safety (no harmful substances like mercury). 【ULTIMATE RELAXED ATMOSPHERE】Not as bright as traditional LED bulbs, these filament bulbs with 2700 Kevin color temperature and 400 lumens give off extra beautiful warm, unharsh, ambient lighting instead of overwhelmingly bright lighting. Spreading a warm 360°glow, the vintage bulbs make your room look nicer, cozier and more inviting. 【ENERGY EFFICIENT & LONGER LIFE】These vintage LED filament bulbs with 4 watts low consumption are ideal to replace 40W incandescent or halogen ones, saving over 90% on your electricity bill. Featured less heat output and longer lifespan, no need to change light bulbs co.ukequently. 【PERFECT FOR OLD-FASHIONED LIGHT FIXTURES】The Edison vintage bulbs work well with E27 screw base fittings. It