Please click on a category to view products.   Home » Electrical » All Products View all products in all categories.   Chart Lights & LightWedge   Emergency Lights Battery-free emergency flashlights that will function after years of storage and exposure. The simple designs use a highly efficient renewable energy source to power a high brightness LED. By simply shaking the Nightstar for 30 seconds it will provide over 15 minutes of light. For more information, follow the individual product line links below. For a detailed guide, download this section of our catalog by following the link below.