Crompton 8.5W Emergency LED Bulb delivers cool daylight light at 6500K for clear and comfortable visibility. It features a built-in rechargeable battery offering up to 4 hours of backup during power outages. The inverter function ensures automatic lighting when the main power supply fails. Equipped with BMS technology, it helps manage battery performance and safety efficiently. Over-charging protection safeguards the battery and extends its lifespan. Ideal for home use, it provides consistent and reliable emergency lighting support.