Philips 12W Emergency LED Bulb provides cool daylight illumination for clear and comfortable visibility during outages. It comes with a built-in rechargeable battery offering up to 4 hours of backup lighting. The bulb automatically switches to emergency mode when the power supply is interrupted. Its energy-efficient LED technology helps reduce electricity consumption while maintaining steady brightness. Featuring a standard B22d base, it allows easy installation in regular bulb holders. Ideal for homes and offices, it ensures dependable lighting support during power cuts.