[Energy Saving – Low Consumption] With the energy efficient LED technology, replace your 40W traditional incandescent bulb with LEDSone's 4W 450LM filament LED bulb and save upto 90% energy! [Enjoy beautiful lights] These vintage Screw Light Bulbs are non-dimmable, no buzzing or humming.Amber Glass 2700K color temperature, and 450 lumens,not as bright as traditional vintage LED bulb, but they can give off extra beautiful warm 360°glow which make your room look nicer, cozier and more inviting,to create a romantic atmosphere so that you can enjoy a more beautiful light. [Hight CRI 90 + No flicker--protect your eyes] 2700K soft warm white light with high Chromogenic Index CRI 90+, the light bulbs let you see the true and beautiful colors & NOT flickering which can eliminate your eyes exhaustion caused by the conventional amber light bulbs,they can protect your eyes. [Standard E27 Easy Installation] Compatible with standard 220–240V E27 fittings, this decorative screw in light bulb installs quickly and easily. [Wide Application] Retro Edison Screw light bulbs produce a warm amber glow making a cozy and fantastic atmosphere, whose watts meet the requirement of general home lighting use and decoration, which is perfectly used in living rooms, dining rooms, bars, cafes, and restaurants including ceiling fixtures, chandeliers, and other places you'd like to decorate.