Possibly the most versatile light you can carry, and a must-have on every trip. Flexible straps wrap around bike seat post or handlebars, tent poles, tree limbs, trekking staff, backpack D-rings – virtually anywhere you need light for illumination, signaling or emergencies. Twin LED bulbs provide steady or flashing illumination up to 80 hours. Flexible Strap that is used to "Double Back" onto itself to wrap around its subject 2 LED lights 2 CR2025 Batteries (Included) Single light mode Emergency Flash mode Up to 80Hr Battery life Super Lightweight @ .7oz