... /DC4.2V,100~130lm,White,Beam Angle 120 degree,Light Base E27/B22,Dia.72mm*107mm.LED Spotlight,LED Lamp LED ... ,the light is still on as there is the battery in LED emergency light.Then if you don't need the ... more than 3 hrs with lithium batter:Just hang it in light base,with city power on and remote switch on,it ...