The 4" Cyalume ChemLight offers a compact light solution with 6 hours of full brightness.  Cyalume brand is the most trusted name in chemical light. This 4 inch, red military grade light stick is visible up to a mile away and the hook and gate top offers maximum versatility. Proven effective by military forces worldwide for over 40 years to enhance both nighttime tactical operations and training safety. With a patented phthalate-free formulation, they are non-flammable both before and after activation, maintenance-free, non-toxic, and waterproof. They produce no sparks or flames. 

• 6 hours of illumination per stick
• Four year guaranteed shelf life, no maintenance necessary
• Nontoxic, nonflammable and waterproof
• Made in the USA to ensure highest quality
• Meets DLA & NAMSA military standards
• Buy in Bulk and Save