Emergency Bulb

Main functions: 

-Function as a common bulb: when it is normally powered on, the bulb works normally: 

-Emergency function when power failure: when the power grid is powered off and the switch is on, it will automatically start the emergency mode. 

-Application scopes: suitable for community passageway, corridor, toilet, basement ， garage, warehouse, monitoring and other energy-saving automatic lighting places.

-When the bulb is working normally, the built-in battery will be automatically charged.