Ac-Dc Inverter Bulb can provide instant light when the electricity goes out with the help of Li-ion cell used in it. With retro B22 base, it can be used as a regular bulb to light up your space. Packed with a 2000 mAh battery, this bulb immediately lights up in case of an electricity outage. Wattage: 9W Voltage: 230-250V CCT: 6500K Battery: 2000mah Backup: 3-4 Hrs. Body Type: PC( Poly Carbonate) Base Type: B-22 Watrranty: 1Year Note: For Indoor Use Only