💡 Light Up Your Life, Even When the Power Goes Out! Stay prepared with a powerful battery backup that lasts 3-5 hours during outages, ensuring you’re never left in the dark. Screw into any E26/E27 socket effortlessly, compatible with a wide range of voltages (AC 85-265V). Designed for every scenario, from power outages to camping trips, with a handy hook for easy hanging. Experience 5W of brilliant daylight white light (6500K) that replaces traditional 40W halogen bulbs while saving 90% energy. Enjoy a lifespan of up to 50,000 hours, reducing the hassle and cost of frequent bulb replacements. 90% Energy Saving 5W LED Rechargeable The K JINGKELAIE Emergency LED Light Bulb is a versatile and energy-efficient lighting solution, featuring a rechargeable battery backup, a lifespan of up to 50,000 hours, and a bright 6500K daylight output. Ideal for power outages, camping, and various indoor and outdoor activities, this pack of four bulbs ensures you’re always prepared for the unexpected.