Eveready Xtrabright 23W Emergency Rechargeable LED Bulb provides powerful cool daylight light at 6500K for clear and vibrant visibility. It features a built-in rechargeable battery that offers up to 3 hours of backup during electricity outages. The energy-efficient LED technology ensures bright illumination while conserving power. The bulb automatically switches to emergency mode when the power supply fails, delivering uninterrupted lighting. Equipped with a standard B22 base, it allows easy installation in existing fixtures. Ideal for homes and offices, it offers dependable and long-lasting emergency lighting support.