Brandpaul russells Light typeLED Special feature40 Watts Equivalent , 470 Lumen, Easy Installation, Energy Efficient, Flicker-Free Wattage4.9 watts Bulb shape sizeA23 Bulb baseE27 [Quality Highlights] paul russells Non-Dimmable LED bulbs are CE / UKCA certified and inspected carefully, made of premium quality materials (plastic and aluminium), which is safe and perfect for household use. [New ErP Technology] Compliant to Governments New ErP requirements, this 4.9Watt bulb can replace the 40w traditional bulb. It provides 470 luminous fluxes, with less than a blink time to warm up to full brightness. The light will be both bright and comfortable for you without flickering. [Wide Application] paul russells 6500K Bright Daylight LED bulbs can be used in living rooms, kitchens, bedrooms, bathrooms, hallways or ceiling fixtures etc. [Visual Impact] High colour rendering (CRI > 80) provides vivid and natural smooth colour; a beam angle of 240° degrees provides a Wide Visual. (Images are for illustration purposes only.)