When the power suddenly cut ,black out or thundery sky cause the power outage, the emergency bulb will still lighting.

In usual, the emergency bulb work as the normal bulb, turn on or off by wall switch.  At the same time ,the battery will

charge till full ,ready for the emergency situation happen.

Suitable for house living , corridor , basement , garage, warehouse, etc.

Very low heat generating, besides saving light power, Energy-saving and environmentally friendly.

Material :  Acrylic plastic

Base : E27

Color : White/warm white

Wattage : 5W / 7W / 9W / 12W (optional)

Lumens : 100LM/W

Input Voltage(V):85-265V/AC