Highlights2-in-1 Versatility - A19 Light Bulb + Portable Emergency Flashlight1200mAh Long-Lasting Battery Backup - 80W Brightness Without Power Grid DependencyUniversal E26/E27 Socket Compatibility - Plug-and-Use for 4PCS/8PCS Packs, No Extra Installation NeededDetails[Easy to Use & High applicability]80 watt equivalent + 6000K daylight is most popular choice for home daily use. A19 size bulb is versatile for most lamps with E26 or E27 socket.. Just screw them into the socket and done! (Other emergency light bulbs on the market are often large in size that may can't fit in your light fixture. This one like the normal type A bulb, perfect for any light fixtures , like floor lamp, desk lamp, table lamp, ceiling light ect)[A Must-have Family Survival Tool]A necessity during blackout, storm, hurricane etc. To get prepared for emergency with this emergency light bulbs. Say goodbye to emergency candles that are not safe to use. You can replace your current bulb in any room, storage, basement