... products,G.W/N.W are 19.5/18 KGS.8.Portability,and use simply.Instructions:1.While using,make the built ... that the product has been powered on,then you can use it for lighting.2.When the product has been ... it.3.If the home is power outage in the use of product lighting, the lamp continues to light, but ... to the DC file,to protect the battery.4.During use for emergency,when the LED bulb goes dark,the ...