Chemlight: the most reliable 4 inch military grade light stick. Visible up to a mile away for as long as 6 hours. Hook and gate top for maximum versatility.

• 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