Philips 20W Emergency LED Bulb delivers crystal white light for clear and vibrant illumination in any setting. It features a built-in rechargeable battery that offers up to 3 hours of backup during power outages. The bulb automatically switches to emergency mode when electricity fails, providing seamless lighting without flicker. Its energy-efficient LED design reduces power consumption while maintaining consistent brightness. Equipped with a standard B22d base, it allows easy installation in existing fixtures. Ideal for homes and offices, it ensures dependable lighting support during unexpected power failures.