Introducing the Havells 30w Inverter LED Bulb in Cool Day White with 4 hours of battery back up, perfect for uninterrupted lighting during power outages. With a focus on quality, this LED bulb is designed to provide long-lasting and energy-efficient illumination, making it an excellent addition to any home or office space. The inverter function ensures that the bulb remains powered for up to 4 hours, even when the electricity goes out, offering peace of mind and convenience. The cool day white light emitted by this bulb creates a bright and welcoming atmosphere, making it ideal for various indoor settings. Trust in the Havells brand for reliable and high-quality lighting solutions for your everyday needs.