1、E26 Cordless Bulb: Say goodbye to outlet and wired limitations. Rechargeable bulb allows you to illuminate any dark corners without electricity, making it ideal for lighting foyer, fireplace, corridor, living room, bedroom, kitchen, entryway, hallway, stairway, and more. 2、USB Rechargeable: Featuring built in large 1000mAh battery capacity, the dimmable light bulbs can provide long hours of brightness, perfectly catering to your daily lighting needs. The included USB cable ensures easy recharging, guaranteeing uninterrupted illumination whenever you need it. 3、Brightness Adjustable, Timing Function: Take control of your lighting ambiance with the remote control, allowing you to adjust brightness. The built in RGB light bulb can switch multiple colors to add ambience and fun to the room. 4、Magnetic Adhesive and Screw In: The built in powerful magnet can be directly adsorbed on the metal surface. Effortlessly screw the light bulb into any compatible light fixture requiring an E26 bulb. The wireless remote light bulb offer versatility and convenience wherever you need it most. 5、Emergency Light Bulb for Power Outage: Stay prepared for unexpected power outages or emergencies with our battery powered LED bulb. Designed to function without electricity, this backup light bulb ensures your room remains illuminated when the power goes out.