These LED GLS B22/BC cap bulbs boast a powerful 1521 lumens of bright light, with a mercury-free make that makes them safe for home-usage. These are a perfect choice for thoroughly brightening up your home. With these bulbs lighting up in less than 0.5 seconds, your house will be illuminated in the blink of an eye (quite literally!). The light is flicker-free once established, which is better for our eye health, meaning the efficiency is paired with consideration. We take a new approach to making these bulbs, using only durable materials for a lifespan of up to 15000 hours. This CE/UKCA and RoHS-certified technique also ensures that these bulbs are highly energy-efficient and better for your bills and the planet.