The next generation replacement for chemical light sticks. 1 3/4″ x 3/4″ battery powered light strips. Heavy duty 3M adhesive back. Can be seen from up to 1/2 mile. Runtime up to 80 hours each. Can be shut off and reused. Modes: fast strobe/slow strobe/steady on/off. Easy pull tab. Ideal for marking a trail, ambient light in a tent, or backpack, or when walking, running, or cycling at night. High polished chrome surface is a great daytime emergency signaling mirror. Package of 10. Color: Green. Boxed with hanging tab.