... service Product Name: Rechargeable Emergency Warning Light 1.1 Function & AdvantageUsing ultra bright led as light source,instead of motor ... ,24V,110V,220V,solar powered.Controlled by light,working automatically at night(also can be ... voltage will be marked on the packing box).Light controlurn off automatically at day and working ... the power first. Screw Fixed Auto Rechargeable Emergency Warning Light