Coghlan's Self-Adhesive Emergency Signal Light Bright, disposable emergency signal safety light in green keeps you safe and noticed in the dark Great solution for go anywhere lighting for campers, hikers, and hunters; attach to packs, tents, kayaks, trail markers, and more Visible up to 1/2 mile away; 80+ hours of run time; three light modes (On, Fast Strobe, and Slow Strobe) Completely submersible and dustproof Compact for easy packing