" Never have a moment of darkness during an unexpected power outage. This Vonc emergency LED bulb automatically switches on when the power goes out. Exclusively made for emergencies, this innovative bulb looks like any other normal bulb, it can fit into regular household sockets and offers a backup time of up to 3.5 hours.
When there is a power failure, this bulb continues to work by drawing power from its inbuilt battery. It functions like a regular bulb, just make sure you use the bulb often to recharge its battery.
Charge Time: 8-10 hours; Emergency Time: 3.5 hours (max). Applications: Home, Offices, Showrooms, Malls and Residential. Features: Emergency Use, Low Power Use, Low Heating, No Mercury. Handheld emergency lights can be a hassle to look for in the dark!