Our Universal Road Flare Kit contains 6 extremely durable, rechargeable 18-LED flares that are a safe alternative to incendiary flares. These flares are smokeless, flameless, non-toxic, waterproof, crushproof and come with an impact resistant rubber housing. Visible up to one mile. The metal charging/storage stand is mountable to any vertical or horizontal surface. It may be charged 2 different ways. 1. Plugged directly into your vehicle's 12V electrical system or 2. plug into any 120V electrical wall socket. Both charging methods are included. When using the 12V power cord option, installation should only be handled by a certified vehicle mechanic.