Features:

•  Gway rechargeable 2150 Lumen LED bulb to bright the home during power outage
•  Built in 2 18650 mAh battery automatically turn on once the electricity is up
•  Can be used as a regular light bulb that can be turned off by a switch
•  Built in long battery life with 20-watt power with overcharge protection
•  Product dimensions: 7.8 x 8 x 16cm
•  Product weight: 197g
• Model:  Y3920