Rechargeable E27 12W LED Light Bulb with Battery Backup Emergency LED Bulb White

Why choose the emergency bulb with battery backup?   When the power suddenly cut, black out or thundery sky cause the power outage, the emergency bulb will still light.   The emergency bulbs work as the normal bulb, turn on or off by wall switch.  At the same time, the battery will charge till full, ready in case power outage situations happen.   Suitable for house living, corridor, basement, garage, warehouse, etc.   Very low heat generating, besides saving light power, Energy-saving and environmentally friendly.   Specification :   Material : LED+ Acrylic plastic   Base : E27   Color : White   Wattage : 12W   Lumens : 100LM/W   Input Voltage(V):86-265V/AC   Working temperature : -20℃ - 60 ℃   Package included :   1 x LED Bulb with battery