Philips 12W Emergency LED Bulb provides bright cool daylight light at 6500K for clear and comfortable visibility during outages. It features a built-in rechargeable battery that delivers up to 4 hours of backup lighting when power fails. The bulb automatically switches to emergency mode without flicker or delay, ensuring uninterrupted illumination. Its energy-efficient LED technology reduces power consumption while maintaining steady brightness. Equipped with a standard B22d base, it allows easy installation in common fixtures. Ideal for homes and offices, it offers dependable lighting support during power cuts.